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Willingness to pay (WTP) is a metric that is widely valued and utilized among both practitioners and academics. However, the conceptualization of WTP is ambiguous, and this ambiguity is reflected across existing methods of measuring WTP. The authors first present a formal mathematical framework that clarifies WTP as a distributional concept—rather than a single number—constructed as a function of customers, comparisons, and situations. The framework further reveals the operation of two comparative mechanisms, direct and indirect, by which situational factors affect WTP. They then introduce a new method to measure WTP—the comparative method of valuation (CMV)—that, unlike existing methods, is designed to account for the inherently comparative and situational nature of WTP. Across nine studies reported in the article and four additional studies in the Web Appendix, the authors (1) examine differences in results between CMV and choice-based conjoint as well as between CMV and the classic Becker–DeGroot–Marschak methodology, (2) demonstrate that CMV is a valid and reliable measure of WTP, and (3) illustrate applications of CMV to managerial problems. This article offers both conceptual clarity and methodological advances to understanding the construction and measurement of WTP for practitioners and academics alike. [ABSTRACT FROM AUTHOR]

We report on a laboratory experiment testing the predictions of the Diamond–Mortensen–Pissarides (DMP) search-and-matching model, which is a workhorse, decentralized model of unemployment and the labor market. We focus on the job vacancy posting problem that firms face in the DMP model. We explore the model's comparative statics predictions concerning variations in the separation rate, the vacancy posting cost, and the firm's surplus earned per employee. Across all treatments, we find strong evidence for an inverse relationship between vacancies and unemployment, consistent with the Beveridge curve. We also find that the results of our various comparative statics exercises are in-line with the predictions of the theory.

AbstractExisting histories of behavioral and experimental economics (BE-XP) are primarily focused on its developments in the United States. While French economist Maurice Allais made significant contributions in the 1950s, the subsequent trajectory of BE-XP in France is understudied. This article addresses this gap by comparing the history of BE-XP in France to international trends previously identified in the literature. We find that, after an initial ambivalent influence from Allais, French BE-XP subsequently aligned with international trends. We nevertheless identify some distinctive national features in utility measurement and social preference modeling that are heterogeneously distributed across the French territory. [ABSTRACT FROM AUTHOR]

We identify and present Brazil's most common behavioral and heuristic biases in judicial decision-making. Through bibliographic and specific cases, we notice the occurrence of the representativeness heuristic, availability heuristic, anchoring heuristic (anchoring effect), confirmation bias, and affect heuristic bias in Brazilian judicial decisions. We also present the current state of Brazilian legislation and its amendments that aim at impartiality in the production, the assessment of evidence, and the judge's conviction. Finally, we present the suggestions and initiatives that aim to mitigate biases and heuristics in judicial decision-making in Brazil, especially with awareness techniques, the replacement of judges by algorithms, and the review of judicial decisions by collegiate bodies. [ABSTRACT FROM AUTHOR]

Inspired by macroeconomic scenarios, we aim to experimentally investigate the evolution of short- and long-run expectations under different specifications of the fundamentals. We collect individual predictions for future prices in a series of Learning to Forecast Experiments with a time-varying fundamental value. In particular, we observe how expectations evolve in markets where the fundamental value follows either a V-shaped or an inverse V-shaped pattern. These conditions are compared with markets characterized by a constant and a slightly linear increasing fundamental value. We assess whether minor but systematic variations in the fundamentals affect individual short- and long-run expectations by considering positive and negative feedback-expectation systems. Compared to a setting with constant fundamentals, the slowly varying fundamentals have a limited impact on how subjects form their expectations in positive feedback markets, whereas in negative feedback markets we observe notable changes. [ABSTRACT FROM AUTHOR]

In the rapidly advancing economic and technological landscape, the importance of ethical considerations in individual decision-making has gained unprecedented attention. The absolute authority held by one party in certain business contexts, such as participatory budgeting and financial consulting, emphasizes the significance of ethical decision-making. This research aims to investigate how individuals' guilt aversion influences their financial behavior while also considering the moderating role of their ethical ideologies. This approach addresses the research gap regarding the oversight of individuals' personal attitudes toward ethics when studying guilt aversion. The study population was comprised of undergraduate students at the University of Tabriz, and a sample of 52 participants was selected using a random sampling method. The sample was then divided into two groups, dictators and receivers, and their behavior was examined. A combination of active observation and questionnaire methods was employed to collect data. The results suggest that while guilt aversion does not significantly impact individuals' financial behavior, ethical ideologies moderate the relationship between guilt aversion and financial behavior. [ABSTRACT FROM AUTHOR]

This paper provides a review of the economics of tipping points in natural resources and climate change economics, examining recent advances in theoretical modeling and controlled experiments. We begin with the non-convexity models as a theoretical foundation, provide a typology of the resulting deterministic tipping points, and discuss their implications for management. Then, we focus on hazard rate modeling for optimal resource management with stochastic and unknown tipping points. We discuss Bayesian learning, strategic behavior among agents, and the advancement in integrated assessment modeling with multiple and interacting tipping points. Finally, we examine the new \hbox{contributions} of experimental economics to understanding decision-making processes in the presence of tipping points. The paper concludes by highlighting the main advances in the literature and outlining future research directions, ultimately aiming to encourage further investigation and the development of innovative tools to address global challenges. [ABSTRACT FROM AUTHOR]

This study examined the multifaceted nature of Social Capital (SC) in community development projects by using Water, Sanitation, and Hygiene (WASH) interventions in three urban Bangladeshi slums as a case study. Despite its recognized importance, the ambiguity surrounding SC has led to mixed outcomes, necessitating a more theorized approach to quantitatively assess SC. To address this, a comprehensive methodology was developed, specifically crafted for a community development context and incorporating standard SC questions, social network analysis indices, and an adherence to social norms through behavioral game theory. The analysis revealed varied SC profiles, with one slum achieving successful community toilet management through strong reciprocal ties. The other slums faced challenges due to community division and weakened SC among key individuals. These findings underscore the necessity of tailoring interventions to community‐specific SC characteristics. The streamlined approach derived from the study provides guidance for both enhancing the effectiveness of community interventions and advancing sustainable development. [ABSTRACT FROM AUTHOR]

We revisit a quality-then-pricing duopoly game, theoretically and experimentally exploring how heterogeneity in consumers' preferences affects firms' decisions and profits. We find that firms differentiate less their products in the lab than the theoretical model predicts, especially when the heterogeneity in consumers' preferences is high. When this heterogeneity is small, the firm producing the low-quality good profits more than the rival in the lab, which contradicts the theoretical predictions. [ABSTRACT FROM AUTHOR]

Experimental economics is an important branch of economics to study human behaviours in a controlled laboratory setting or out in the field. Scientific experiments are conducted in experimental economics to collect what decisions people make in specific circumstances and verify economic theories. As a significant couple of variables in the virtual experimental environment, decisions and outcomes change with the subjective factors of participants and objective circumstances, making it a difficult task to capture human behaviour patterns and establish correlations to verify economic theories. In this paper, we present a visual analytics system, EBPVis, which enables economists to visually explore human behaviour patterns and faithfully verify economic theories, e.g. the vicious cycle of poverty and poverty trap. We utilize a Doc2Vec model to transform the economic behaviours of participants into a vectorized space according to their sequential decisions, where frequent sequences can be easily perceived and extracted to represent human behaviour patterns. To explore the correlation between decisions and outcomes, an Outcome View is designed to display the outcome variables for behaviour patterns. We also provide a Comparison View to support an efficient comparison between multiple behaviour patterns by revealing their differences in terms of decision combinations and time‐varying profits. Moreover, an Individual View is designed to illustrate the outcome accumulation and behaviour patterns of subjects. Case studies, expert feedback and user studies based on a real‐world dataset have demonstrated the effectiveness and practicability of EBPVis in the representation of economic behaviour patterns and certification of economic theories. [ABSTRACT FROM AUTHOR]

Accounting conservatism has been described as deriving from preferences for reporting errors to be in the direction of understatement rather than overstatement. We pair reporters with users (who rely on reporters' information) in a multiperiod experiment. We posit that, under misaligned incentives that motivate aggressive reporting, users view aggressive reports as reflecting exploitative intent and expect that a norm prohibiting aggressive reporting applies. We predict that users use noisy reporting errors to gauge reporters' norm compliance. We find that, ceteris paribus, users prefer not to be paired with reporters producing overstatement errors likely to reflect aggressive reporting relative to reporters producing understatement errors likely to reflect conservative reporting; alternatively, we find no such asymmetric preferences when the agents' motives are aligned. The asymmetric preferences cannot be explained by agency theory predictions of payoff maximization or loss aversion. These moral preferences provide an initial condition from which conservatism can endogenously emerge. Data Availability: Data are available from the authors upon request. JEL Classifications: B52; D81; D82; M41. [ABSTRACT FROM AUTHOR]

It is well known that laboratory subjects often do not play mixed strategy equilibria games according to the theoretical predictions. However, little is known about the role of cognition in these strategic settings. We therefore conduct an experiment where subjects play a repeated hide and seek game against a computer opponent. Subjects play with either fewer available cognitive resources (high cognitive load treatment) or with more available cognitive resources (low cognitive load treatment). Surprisingly, we find some evidence that subjects in the high load treatment earn more than subjects in the low treatment. However, we also find that subjects in the low treatment exhibit a greater rate of increase in earnings across rounds, thus suggesting more learning. Our evidence is consistent with subjects in the low load treatment over-experimenting. Further, while we observe that subjects do not mix in the predicted proportions and that their actions exhibit serial correlation, we do not find strong evidence these are related to their available cognitive resources. This suggests that the standard laboratory deviations from the theoretical predictions are not associated with the availability of cognitive resources. Our results shed light on the extent to which cognitive resources affect (and do not affect) behavior in games with mixed strategy equilibria. [ABSTRACT FROM AUTHOR]

Experimental economics is, nowadays, a well-established approach to investigate agents' behavior under economic incentives. In the last decade, a fast-growing number of studies have focused on the application of experimental methodology to health policy issues. The results of that stream of literature have been intriguing and strongly policy oriented. However, those findings are scattered between different health-related topics, making it difficult to grasp the overall state-of-the-art. Hence, to make the main contributions understandable at a glance, we conduct a systematic literature review of laboratory experiments on the supply of health services. Of the 1248 articles retrieved from 2011, 56 articles published in peer-review journals have met our inclusion criteria. Thus, we have described the experimental designs of each of the selected papers and we have classified them according to their main area of interest. [ABSTRACT FROM AUTHOR]

We examine the interactive effect of justification and ambiguity on the tendency to distort operating decisions in an incentivized experiment. Managers decide whether to drop or keep a project on behalf of the owners. Although dropping the project always leads to higher payoffs for managers, keeping the project leads to higher payoffs to the owners for projects with good future outcomes. Dropping a project with good future prospects is akin to real earnings management (REM), such as cutting R&D to meet bonus targets. We find that justification increases REM when project outcomes are ambiguous but has no effect when the distribution of project outcomes is known. Ambiguity gives flexibility for managers to craft a plausible justification for dropping the project that appears accountable to the owners. The opportunity for impression management makes selfish actions more attractive to managers because it helps to promote a positive social image. [ABSTRACT FROM AUTHOR]

We provide some theory and experimental evidence on contests with entry fees. In our setup, players must simultaneously decide whether or not to pay a fee to enter a contest and the amount they wish to bid should they choose to enter the contest. In a general n-bidder game, we show that the addition of contest entry fees increases the contest designer’s expected revenue and that there is a unique revenue maximizing entry fee. In an experimental test of this theory we vary both the entry fee and the number of bidders. We find over-bidding for all entry fees and bidder group sizes, n. We also find under-participation in the contest for low entry fees and over-participation for higher entry fees. In the case of 3 bidders, the revenue maximizing entry fee for the contest designer is found to be significantly greater than the theoretically optimal entry fee. We offer some possible explanations for these departures from theoretical predictions.

Purpose: Expanding on the real-world financial market framework and considering the current market turmoil, with cryptocurrencies (where contracts for difference (CFDs) are extremely common) (Hasso et al., 2019) displaying unprecedented volatility, the authors aim to test in an online laboratory setting whether displaying a risk warning message is truly effective in reducing the level of risk taken and whether the placement of this method makes a difference. Design/methodology/approach: To explore the impact of risk disclosure framing on risk-taking behavior, the authors conducted an online pair-wise lottery choice experiment. In addition to manipulating risk awareness through the presence or absence of risk warning messages of varying intensity, the authors also considered dynamic inconsistency, cognitive ability and questionnaire-based financial risk tolerance (FRT) scores. The authors aimed to identify potential relationships between these variables and experimentally elicited risk aversion. The authors' study offers valuable insights into the complex nature of risky decision-making and sheds light on the importance of considering dynamic inconsistency in addition to risk awareness and aversion. Findings: The authors' results provide statistical evidence for the efficacy of informative and very salient messages in mitigating risky decision, hinting at several policy implications. The authors also provide some statistical evidence in support of the relationship between cognitive abilities and risk preferences. The authors detect that individual with low cognitive abilities scores display great risk aversion. Originality/value: This study investigates the impact of risk warning messages on investment decisions in an online laboratory setting – a unique approach. However, the authors go beyond this and also examine the potential influence of dynamic inconsistency on decision-making, adding further value to the literature on this topic. To ensure a comprehensive understanding of the participants, the authors collect data on cognitive ability and FRT using questionnaires. This study provides a simple and cost-effective framework that can be easily replicated in future research – a valuable contribution to the field. [ABSTRACT FROM AUTHOR]

We explore several behavioral issues associated with bidding behavior in the Becker-DeGroot-Marschak (BDM) mechanism; a popular mechanism in experimental economics and valuation research. By manipulating the random binding price and framing, we find that bids are affected by the choices made by experimenters. Our theoretical framework, shows that the treatment effects are consistent with an attachment to expectations-based reference points, anchoring on the highest price, as well as the no-loss-in-buying hypothesis of Novemsky and Kahneman (2005). Overall, our theory and experimental results confirm that the mechanism is not incentive compatible and thus previous results regarding product valuations, as well as various treatment effects identified using the mechanism, should be interpreted as conditional on the particular choice of design variables. [ABSTRACT FROM AUTHOR]

We assess statistical power and excess statistical significance among 31 leading economics general interest and field journals using 22,281 parameter estimates from 368 distinct areas of economics research. Median statistical power in leading economics journals is very low (only 7%), and excess statistical significance is quite high (19%). Power this low and excess significance this high raise serious doubts about the credibility of economics research. We find that 26% of all reported results have undergone some process of selection for statistical significance and 56% of statistically significant results were selected to be statistically significant. Selection bias is greater at the top five journals, where 66% of statistically significant results were selected to be statistically significant. A large majority of empirical evidence reported in leading economics journals is potentially misleading. Results reported to be statistically significant are about as likely to be misleading as not (falsely positive) and statistically nonsignificant results are much more likely to be misleading (falsely negative). We also compare observational to experimental research and find that the quality of experimental economic evidence is notably higher. [ABSTRACT FROM AUTHOR]

Vaccination against infectious diseases has both private and public benefits. We study whether social preferences – concerns for the well-being of other people – are associated with one's decision regarding vaccination. We measure these social preferences for 549 online subjects with a public-good game and an altruism game. To the extent that one gets vaccinated out of concern for the health of others, contribution in the public-good game is analogous to an individual's decision to obtain vaccination, while our altruism game provides a different measure of altruism, equity, and efficiency concerns. We proxy vaccine demand with how quickly a representative individual voluntarily took the initial vaccination for COVID-19 (after the vaccine was widely available). We collect COVID-19 vaccination history separately from the games to avoid experimenter-demand effects. We find a strong result: Contribution in the public-good game is associated with greater demand to voluntarily receive a first dose, and thus also to vaccinate earlier. Compared to a subject who contributes nothing, one who contributes the maximum ($4) is 58% more likely to obtain a first dose voluntarily in the four-month period that we study (April through August 2021). In short, people who are more pro-social are more likely to take a voluntary COVID-19 vaccination. Behavior in our altruism game does not predict vaccination. We recommend further research on the use of pro-social preferences to help motivate individuals to vaccinate for other transmissible diseases, such as the flu and HPV. • Individual contribution in a public-good game predicts vaccination in the field. • Results hint that a preference for equity is an underlying mechanism for vaccination. • We add to a body of evidence that economics lab measurements predict field behavior. • We offer insight into how behavioral health policy may yet harness social preferences. [ABSTRACT FROM AUTHOR]

The objective of this paper is to explore the effects of herding and anchoring effects, two behavioural economics concepts, on perceived source credibility, which is commonly utilized in marketing research. These cognitive shortcuts that shape consumers' decisions reduce their perceived risk or help them make decisions under uncertainty. The literature contains a limited amount of research on the topic that addresses source credibility in terms of behavioural economics. Within this framework, the study is anticipated to enhance the body of literature through its chosen topic and methodology. When reviewing research undertaken within the marketing domain, the experimental design method has been used in very few studies. In this context, in the experimental designs created within the scope of the study, various scenarios were designed on the basis of follower number (high/low) to evaluate the impact of herd behaviour on the credibility of the source and on the substance of news about the influencer (positive/negative) to measure the anchoring effect. After the participants were shown one of the scenarios, they were given questionnaires with statements about source credibility to answer, and how the perception of source credibility differs according to herd behaviour and the anchoring effect was investigated. Instagram influencers were used in the experimental designs created in the study because Instagram application is increasingly preferred over other social media platforms, is more effective in terms of marketing communication, is increasingly included in the marketing strategies of businesses and is preferred by the young population. Within the framework of this research, data were gathered via an online survey administered to a total of 727 students enrolled in various departments across universities in Turkey. These data were subjected to one-way ANOVA via the SPSS program. Research findings indicate that herding behaviour significantly affects the perceptions of the source credibility, expertise, and attractiveness of social media influencers. Furthermore, anchoring significantly affects the source credibility perceptions and expertise, trustworthiness, and attractiveness subdimensions. However, in scenarios where the number of followers and anchors are identical, a statistically significant difference was not found in the perception of source credibility in relation to the gender of the influencer. [ABSTRACT FROM AUTHOR]

The goal of our research is to shed light on the existence of an effect of seeing the images of human faces (i.e. "a face effect") on economic decision-making behavior. We conduct a series of controlled experiments using photographs of human faces in a newsvendor setting. Our experimental data provides evidence that the human face plays the role of an environmental moderator which triggers and intensifies the social considerations. To gain a deeper understanding of behavioral responses, we examined the impact of faces with varying characteristics, with a particular focus on the effects of facial attractiveness and perceived gender. We find that the decision-makers systematically deviate from their choices of wholesale prices when they imagine seeing the counterpart's face. To explain how facial attractiveness and gender affect the decision choices, we develop a behavioral model that incorporates altruistic and fairness concerns. [ABSTRACT FROM AUTHOR]

In the context of advancing the transformation and upgrading of grassland animal husbandry, encouraging and guiding the widespread adoption of livestock insurance plays an important role in promoting the sustainable development of the livestock industry. This paper explores the impact of herders' attitudes and perceptions towards climate change risks on their livestock insurance strategies. Firstly, experimental economics methods are employed to measure the risk preferences of herders on the Tibetan Plateau. Secondly, a theoretical model incorporating risk preferences and insurance adoption behavior is constructed. Finally, the effects of herders' risk preferences on insurance adoption behavior are empirically examined through double-hurdle models, instrumental variable models, and moderating effect models. The results reveal that (1) most herders on the Tibetan Plateau exhibit risk-averse characteristics. (2) The degree of risk preference has a significant negative impact on herders' insurance adoption behavior, while the risk perception significantly positively influences insurance adoption. The results remain valid even after addressing issues of endogeneity and conducting robustness checks. (3) Livestock income plays a crucial moderating role in the mechanism through which risk attitudes affect insurance adoption behavior. (4) The impact of risk preference on insurance adoption behavior shows regional and income heterogeneity. [ABSTRACT FROM AUTHOR]

This paper investigates the interaction between one's cultural orientation, as derived from Grid-Group Cultural Theory (GGCT), and behaviour in a public good (PG) experiment with and without the opportunity to monitor and punish. We observe that high-group individuals contribute more than low-group individuals and that high-grid individuals are more likely to monitor and punish than low-grid individuals. Results confirm that one's culture interacts in predictable ways with economic institutions. Future research is warranted to determine whether such institutions can be designed to appeal to specific cultures in order to achieve public policy goals more effectively. [ABSTRACT FROM AUTHOR]

We delineate the field of experimental finance. This is done along two dimensions. To delineate the methodological dimension, we use the accepted view in the community. To delineate the thematic (research questions) dimension, we use a comparison with experimental economics with a historical perspective and a brief bibliometric analysis. The article further introduces, motivates, and provides context to the articles published in the special issue. These articles also serve to illustrate the delineation of the field proposed in the first part. [ABSTRACT FROM AUTHOR]

This paper investigates the impact of monitoring intensity on individuals' motivation to exert effort. Using an experimental approach, we designed a test comprising six problems, with varied levels of monitoring and success criteria, to evaluate performance as an indicator of effort. The results reveal a nonlinear relationship between the stringency of monitoring criteria and worker performance. Interestingly, we found that optimal performance is attained when participants are required to answer correctly only one of the six problems. This study enhances our understanding of performance monitoring strategies and their effects in modern work settings. [ABSTRACT FROM AUTHOR]

This paper investigates the importance and the determinants of trust in a lending situation using a controlled experiment. We find that communication can facilitate collaboration between lenders and borrowers through three channels of trust: (1) an information channel, (2) a preference channel, and (3) a reciprocity channel. Our results highlight the role of trust in mitigating the moral hazard problem in lending. [ABSTRACT FROM AUTHOR]

We develop a framework for studying the introduction of a new payment method in a controlled laboratory environment, where consumers (buyers) and merchants (sellers) can learn to coordinate their adoption decisions over time. The underlying game exhibits network adoption effects as emphasized by the theoretical literature. We elicit players’ beliefs about the adoption decisions of the other side of the market so that we can directly test for network effects. We investigate how the additional fixed cost of adopting the new payment method, relative to its savings on per transaction costs, affects merchant's decisions to adopt the new payment method and how that in turn affects buyer's adoption decisions. We find that a low fixed cost favors quick adoption of the new payment method by all participants, while for a sufficiently high fixed cost, merchants gradually learn to reject the new payment method. We also find strong evidence of network effects and that the fixed costs are important for the strong response of seller acceptance decisions to buyer adoption decisions. An evolutionary learning model provides a good characterization of the dynamic adjustment paths found in our experimental data.

The paper is devoted to improving the methodology for conducting laboratory experiments to study the actions of taxpayers. We note that the use of standard economic methods is not enough to study citizens’ behavioral motives (in particular, the desire to evade their duties). The authors analyzed experimental methods of studying tax evasion, carried out their comparative characteristics and identified the problems of their implementation in practice. Based on the analysis of the results of previous experiments, we proved that involving students as interviewers enables us to identify and evaluate the behaviour trends of taxpayers. The research methodology is based on the use of tools and methods of comparative analysis, tabular and graphical methods of data visualization. In particular, the comparative characteristics of the form factor surveys (vignette with one profile, vignette with a double profile, single-profile association, conjugate profile, conjugate paired profile) made it possible to identify as a priority for use in laboratory tax experiments the conjugate paired profile in the form of a survey. In the resulting part of the paper, we presented the disadvantages of laboratory experiments and suggested possible options for their solution, which is an element of scientific novelty and the significance of the research’ results.

What drives groundbreaking research in economics? Nobel-prize-winning work has had an important impact on public policies, but we still do not understand well what drives such breakthroughs. We collect data on all nobel-prize discoveries in economics to address this question. We find that major advances in the field of economics are brought about by methodological innovation: by developing new and improved research methods. We find that developing for example econometrics in 1933, randomised controlled trials in 1948 and new game theory methods in 1950 were essential to opening the new fields of corporate finance, experimental economics and information economics, respectively. We identify the development of new methods as the main mechanism driving new discoveries and research fields. Fostering this general mechanism (generating novel methods) holds the potential to greatly increase the rate at which we make new breakthroughs and fields. We also show that many of the main methods of economics – such as randomised controlled trials, natural experiments, regression discontinuity, instrumental variables and other statistical methods – had been developed and used in other fields like public health, before economists adopted them. This shift towards more powerful empirical methods in the field has important implications on developing new and better methods and adopting them from related fields to make new advances more rapidly. [ABSTRACT FROM AUTHOR]

A central feature of experimental development economics is the use of randomized controlled trials (RCTs) to evaluate the effectiveness of prospective socioeconomic interventions. The use of RCTs in development economics raises a host of ethical issues which are just beginning to be explored. In this article, I address one ethical issue in particular: the routine use of the status quo as a control when designing and conducting a development RCT. Drawing on the literature on the principle of standard care in medical research ethics, as well as considerations of distributive justice in non-ideal circumstances, I argue that the practice of using the status quo as a control is ethically justifiable. However, I add an important qualification based on the natural duty of rescue to address the concern that my account is overly permissive. [ABSTRACT FROM AUTHOR]

Learning to take effective notes is particularly difficult for non-English-native university students enrolled on English Medium Instruction (EMI) courses. However, time and cost constraints mean that many universities provide no support in English for academic purposes or academic skills. One solution to this problem would be to work closely with subject lecturers to develop training that can be delivered within the framework of the EMI content courses themselves. We developed a pilot programme for training students to take effective notes in English and applied it within the context of a first-year content course in Economics and Business Administration at a Spanish university. The students improved on several measures from the pre-test to the post-test, and provided positive feedback. They particularly appreciated learning how to build outlines, simplify information, and use abbreviations and symbols. Questionnaire responses indicated that they had found the training useful and appreciated the possibilities for direct application of the new skills acquired in their other EMI courses. Further research on how to train students in academic language competences within the ecologically valid setting of the EMI classroom itself could include support with subject-focused academic writing and speaking skills. [ABSTRACT FROM AUTHOR]

People often need to plan how to allocate their attention across different tasks. In this paper, we run two experiments to study a stylized version of this attention-allocation problem between strategic tasks. More specifically, we present subjects with pairs of 2 × 2 games, and for each pair, we give them 10 seconds to decide how they would split a fixed time budget between the two games. Then, subjects play both games without time constraints, and we use eye-tracking to estimate the fraction of time they spend on each game. We find that subjects' planned and actual attention allocation differ and identify the determinants of this mismatch. Further, we argue that misallocations can be relevant in games in which a player's strategy choice is sensitive to the time taken to reach a decision. This paper was accepted by Yan Chen, behavioral economics and decision analysis. Funding: Work on this project was provided by the National Science Foundation [Grant SES 1724550] "Collaborative Research: Attention in Games and Decisions," awarded to A. Schotter and E. R. Schotter. The work of M. Ribeiro and M. Zou was supported by the Center for Experimental Economics Social Science at New York University. Supplemental Material: The online appendix and data are available at https://doi.org/10.1287/mnsc.2023.4834. [ABSTRACT FROM AUTHOR]

Findings from behavioral economics suggest the currently low take-up of voluntary carbon offsets (VCOs) could be increased by changing the way choices are presented. In this article, we lean on prospect theory to test the effect of loss framing on air traveler's VCO behavior and whether this contrasts with attitudes and behavioral intentions. Borrowing from experimental economics, we conduct an incentive-compatible online experiment with a real-effort task. We find that under certain conditions a loss-framed VCO message leads to higher likelihood of offsetting, indicating some presence of loss aversion. The results also reveal a substantial attitude-behavior gap and intention-behavior gap, previously postulated to be particularly strong in the tourism setting but not yet quantified. Importantly, 28% of participants with a negative attitude toward VCOs chose to offset nonetheless, indicating positive attitudes are not a pre-requisite for behavior, as hitherto stipulated. Practical, theoretical, and methodological implications of the findings are discussed. [ABSTRACT FROM AUTHOR]

Norm-based accounts of social behavior in economics typically reflect tradeoffs between maximization of own consumption utility and conformity to social norms. Theories of norm-following tend to assume that there exists a single, stable, commonly known injunctive social norm for a given choice setting and that each person has a stable propensity to follow social norms. We collect panel data on 1468 participants aged 11–15 years in Belfast, Northern Ireland and Bogotá, Colombia in which we measure norms for the dictator game and norm-following propensity twice at 10 weeks apart. We test these basic assumptions and find that norm-following propensity is stable, on average, but reported norms show evidence of change. We find that individual-level variation in reported norms between people and within people across time has interpretable structure using a series of latent transition analyses (LTA) which extend latent class models to a panel setting. The best fitting model includes five latent classes corresponding to five sets of normative beliefs that can be interpreted in terms of what respondents view as "appropriate" (e.g. equality vs. generosity) and how they view deviations (e.g. deontological vs. consequentialist). We also show that a major predictor of changing latent classes over time comes from dissimilarity to others in one's network. Our application of LTA demonstrates how researchers can engage with heterogeneity in normative perceptions by identifying latent classes of beliefs and deepening understanding of the extent to which norms are shared, stable, and can be predicted to change. Finally, we contribute to the nascent experimental literature on the economic behavior of children and adolescents. [ABSTRACT FROM AUTHOR]

As the international community continues to fall short on reducing emissions to avoid disastrous impacts of climate change, some scientists have called for more research into solar geoengineering (SGE) as a potential temporary fix. Others, however, have adamantly rejected the notion of considering SGE in climate policy discussions. One prominent concern with considering SGE technologies to help manage climate change is the so-called "free driver" conjecture. The prediction is that among countries with different preferences for the level of SGE, the country that prefers the most will deploy levels higher than the global optimum. This paper tests the free-driver hypothesis experimentally under different conditions and institutions. We find that aggregate deployment of SGE is inefficiently high in all settings, but slightly less so when players are heterogeneous in endowments or when aggregate deployment is determined by a best-shot technology. Despite persistent inefficiencies in SGE deployment, free-driver behavior, on average, is less extreme than the theoretical predictions. [ABSTRACT FROM AUTHOR]

When economists perform experiments, they do so typically in one of two traditions: cognitive psychology experiments in the heuristics and biases tradition (H&B-experiments) and experimental economics in the tradition of Vernon Smith. What sets these two traditions apart? In this paper, I offer a novel conceptualization of their pervasive disagreements. Focusing on how each camp approaches preferences, one of the most fundamental concepts in economics, I argue that experimental economics can be reconstructed as holding that the constituents of preferences can be partially located in agents' environments, while H&B-experiments implicitly assume that the constituents of preferences are entirely located within agents' bodies. The paper (i) outlines how my reconstruction can account for the disagreement between the two paradigms, (ii) defends the plausibility of this reconstruction, and (iii) highlights its implications for the debate about the nature of preferences in economics. [ABSTRACT FROM AUTHOR]

We conduct a series of Cournot duopoly market experiments with a high number of repetitions and fixed matching. Our treatments include markets with (a) complete cost symmetry and complete information, (b) slight cost asymmetry and complete information, and (c) varying cost asymmetries and incomplete information. For the case of complete cost symmetry and complete information, our data confirm the well-known result that duopoly players achieve, on average, partial collusion. However, as soon as any level of cost asymmetry or incomplete information is introduced, observed average individual quantities are remarkably close to the static Bayes-Nash equilibrium predictions. [ABSTRACT FROM AUTHOR]

In recent years, experimental economics has seen a rise in the collection and analysis of choice-process data, such as team communication transcripts. The main purpose of this paper is to understand whether the collection of team communication data influences how individuals reason and behave as they enter the team deliberation process, i.e. before any communication exchange. Such an influence would imply that team setups have limited validity to speak to individual reasoning processes. Our treatment manipulations allow us to isolate the effects of (1) belonging to a team, (2) actively suggesting an action to the team partner, and (3) justifying the suggestion in a written text to the team partner. Across three different tasks, we find no systematic evidence of changed suggestions and altered individual sophistication due to changes in aspects (1)–(3) of our experimental design. We thus find no threat to said validity of team setups. In addition to investigating how the team setup affects individual behavior before communication, we also investigate the sophistication of decisions after the communication. We find that sophisticated strategies are more persuasive than unsophisticated strategies, especially when communication includes written justifications, thereby explaining why teams are more sophisticated and proving rich communication to be fruitful. [ABSTRACT FROM AUTHOR]

Economic experiments have emerged as a powerful tool for agricultural policy evaluations. In this perspective, we argue that involving stakeholders in the design of economic experiments is critical to satisfy mandates for evidence‐based policies and encourage policymakers' usage of experimental results. To identify advantages and disadvantages of involving stakeholders when designing experiments, we synthesize observations from six experiments in Europe and North America. In these experiments, the primary advantage was the ability to learn within realistic decision environments and thus make relevant policy recommendations. Disadvantages include complicated implementation and constraints on treatment design. We compile 12 recommendations for researchers. [ABSTRACT FROM AUTHOR]

Motivation: The COVID-19 pandemic has had a significant impact on economic research, particularly in analyzing the effects of the virus on entire economies, specific sectors, and individual businesses. While there have been numerous studies on the pandemic's impact on the labor market, various economic sectors, and the environment, there remains a gap in research exploring the relationship between economics and linguistic aspects, such as language. Aim: The purpose of this article is to address this research gap by examining the connection between language and economics. Specifically, the authors focus on the influence of linguistic variables on economic categories. In this study, the authors adopt the perspective that language can affect economic activities and aim to analyze how the grammatical form used in communication influences the assessment of the effectiveness of economic policy. By exploring this aspect, the article aims to contribute to a deeper understanding of the interplay between language and economics. Results: Authors show that language may also be an essential framing instrument, while various grammatical moods affect the perception of messages that concern economic issues differently and are perceived differently depending on the level of identification with a given policy. [ABSTRACT FROM AUTHOR]

Abstract Background Understanding how physicians respond to payment methods is crucial for designing effective incentives and enhancing the insurance system. Previous theoretical research has explored the effects of payment methods on physician behavior based on a two-level incentive path; however, empirical evidence to validate these theoretical frameworks is lacking. To address this research gap, we conducted a laboratory experiment to investigate physicians’ behavioral responses to three types of internal salary incentives based on diagnosis-related-group (DRG) and fee-for-service (FFS). Methods A total of 150 medical students from Capital Medical University were recruited as participants. These subjects played the role of physicians in choosing the quantity of medical services for nine types of patients under three types of salary incentives—fixed wage, constant fixed wage with variable performance wage, and variable fixed wage with variable performance wage, of which performance wage referred to the payment method balance under FFS or DRG. We collected data on the quantities of medical services provided by the participants and analyzed the results using the Friedman test and the fixed effects model. Results The results showed that a fixed wage level did not have a significant impact on physicians’ behavior. However, the patients benefited more under the fixed wage compared to other salary incentives. In the case of a floating wage system, which consisted of a constant fixed wage and a variable performance wage from the payment method balance, an increase in performance wage led to a decrease in physicians’ service provision under DRG but an increase under FFS. Consequently, this resulted in a decrease in patient benefit. When the salary level remained constant, but the composition of the salary varied, physicians’ behavior changed slightly under FFS but not significantly under DRG. Additionally, patient benefits decreased as the ratio of performance wages increased under FFS. Conclusions While using payment method balance as physicians’ salary may be effective in transferring incentives of payment methods to physicians through internal compensation frameworks, it should be used with caution, particularly when the measurement standard of care is imperfect.

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The field of water management is continually changing. Water has been subject to external shocks in the form of climate change and globalization. Water management analysis is subject to disciplinary developments and inter-disciplinary interactions. Are these developments well-documented in the literature? Initial observations in the interdisciplinary literature suggest that results are fragmented, implying that a state-of-the-art review is needed. This paper aims to close such a gap by reviewing recent developments in water economics that address increasing perceptions of water scarcity by looking first at changes in the supply and quality of water and then at the impacts of climate change on water supply extremes. Among responses to such challenges, this paper identifies changes to water use patterns by including and co-managing water from different sources, including surface and groundwater, reclaimed wastewater, and desalinated water. Technological advancements are also among the resources that address water challenges. Water challenges are also reflected in the management of internationally shared water. A recent surge in scientific work identified international treaties as a significant contributor to international water management. This paper reviews recently employed economic approaches, such as experimental economics, game theory, institutional economics, and valuation methods. And, finally, it explores modeling approaches, including hydro-economic and computable general equilibrium models, that are being used to deal with water challenges. [ABSTRACT FROM AUTHOR]

Background: Understanding how physicians respond to payment methods is crucial for designing effective incentives and enhancing the insurance system. Previous theoretical research has explored the effects of payment methods on physician behavior based on a two-level incentive path; however, empirical evidence to validate these theoretical frameworks is lacking. To address this research gap, we conducted a laboratory experiment to investigate physicians' behavioral responses to three types of internal salary incentives based on diagnosis-related-group (DRG) and fee-for-service (FFS). Methods: A total of 150 medical students from Capital Medical University were recruited as participants. These subjects played the role of physicians in choosing the quantity of medical services for nine types of patients under three types of salary incentives—fixed wage, constant fixed wage with variable performance wage, and variable fixed wage with variable performance wage, of which performance wage referred to the payment method balance under FFS or DRG. We collected data on the quantities of medical services provided by the participants and analyzed the results using the Friedman test and the fixed effects model. Results: The results showed that a fixed wage level did not have a significant impact on physicians' behavior. However, the patients benefited more under the fixed wage compared to other salary incentives. In the case of a floating wage system, which consisted of a constant fixed wage and a variable performance wage from the payment method balance, an increase in performance wage led to a decrease in physicians' service provision under DRG but an increase under FFS. Consequently, this resulted in a decrease in patient benefit. When the salary level remained constant, but the composition of the salary varied, physicians' behavior changed slightly under FFS but not significantly under DRG. Additionally, patient benefits decreased as the ratio of performance wages increased under FFS. Conclusions: While using payment method balance as physicians' salary may be effective in transferring incentives of payment methods to physicians through internal compensation frameworks, it should be used with caution, particularly when the measurement standard of care is imperfect. [ABSTRACT FROM AUTHOR]

People's cooperativeness depends on many factors, such as their motives, cognition, experiences, and the situation they are in. To date, it is unclear how these factors interact and shape the decision to cooperate. We present a computational account of cooperation that not only provides insights for the design of effective incentive structures but also redefines neglected social-cognitive characteristics associated with attention-deficit hyperactivity disorder (ADHD). Leveraging game theory, we demonstrate that the source and magnitude of conflict between different motives affected the speed and frequency of cooperation. Integrating eye-tracking to measure motivation-based information processing during decision-making shows that participants' visual fixations on the gains of cooperation rather than its costs and risks predicted their cooperativeness on a trial-by-trial basis. Using Bayesian hierarchical modeling, we find that a situation's prosociality and participants' past experience each bias the decision-making process distinctively. ADHD characteristics explain individual differences in responsiveness across contexts, highlighting the clinical importance of experimentally studying reactivity in social interactions. We demonstrate how the use of eye-tracking and computational modeling can be used to experimentally investigate social-cognitive characteristics in clinical populations. We also discuss possible underlying neural mechanisms to be investigated in future studies. [ABSTRACT FROM AUTHOR]