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Today, the neoclassic economic theory still dominates the economic analysis, prediction, and even public economic policy, encouraged, unfortunately, by the career criteria in science and education fields. In such a context, the objectives of the paper are: (1) to systematize the findings related to the unrealism and theoretical and methodological mistakes of the economic neoclassic model; (2) to argue about the desirability, reliability, realism, and efficaciousness of an evolutionary model of the economy (and of Economics); (3) to draw the basic lines which an evolutionary economic theory could be edified on, starting from both the statu quo in the matter and the logical examination of the question. The approach of research is a mix between logical and historical (but not empirical) views regarding the evolutionary economic model/theory. The main results are: (a) arguing on the possibility of crystalizing the basic concepts of an evolutionary economic model; (b) making proposals for the evolutionary economic mechanism (in its abstract understanding – as cybernetic system of order 3); (c) warning on the risks of a tale quale taking over of the evolutionary concepts from Biology; (d) identifying the principles to be followed in building up of an evolutionary economic theory.

Many controversial debates (including conferences, symposia and of of the same) are generated by misunderstanding of the concepts or, often, by associating wrong terms to the same concept. The sustainability science or the ecologic theory (more exactly, the theory on the ecological systems) is an (intellectual) crucial pillar to handle the current and future challenges regarding the non-anthropic and artefactual environment. The paper aims to put a (whatever small) brick to clarify the grounding concept of the ecological system, in order to prevent its inflationary and un-rigorous use in research and public policy. The basic contributions are: (a) identifying the sufficiency predicates to logically define the concept of ecological system, (b) the suggestion to approach the issue from a mix evolutionary perspective based on Lamarckian-Darwinian theories; (c) some opinions regarding the scientific utility of using such a clear, on logical bases, concept of ecological system (given the general concept of system).

The paper aim is to examine the logical and epistemological bases of the institutionalism (especially of the economic institutionalism) in order to show that it is, in fact, a species of evolutionism (including of the economic evolutionism or of the Evolutionary Economics). The analysis will be driven from the perspective of axiomatic theories as Economics should, probably, be grounded. Among others, the paper tries to demonstrate that the institutionalism as a species of evolutionism is part of Political Economics (as normative theory) but not at all a part of Economics (as positivist theory). In the end of the study, the concepts of ethics and of morals, respectively (which are explained to be vastly different from each other) are introduced in discussion and shown they are important ingredients regarding the institutionalism as a species of evolutionism. It seems further considerations in the perspective of considering institutionalism as component part of evolutionism could be of scientific interest.

The paper examines the behaviour of the yield curve of the knowledge considered as production factor. The concepts of complementarity and substitutability among classical production factors are revisited in order to put the bases to analyse the special production factor (a species of the neo-production factors) namely knowledge. In this context, some distinctions are made between information and knowledge putting in view the added value of knowledge related to information. Some graphical construction and algebraic formalisms are convoked in order to better ground the final conclusions regarding the increasing nature of the knowledge yield curve in the knowledge-based society. The approach is preponderantly logic and conceptualized, trying to get general results which could then be tested, by other researchers, in order either to corroborate or to reject them.

The paper aims to question the required decision theory concept, structure, and mechanism under the current challenges of optimality model of rationality crepuscule, sustainability model of rationality emergence, and evolutionism extending from the biological species to the symbolic ones (as decision theory is). To this end, the three symbolic species are logically described based on their sufficiency predicates, then the three sets of sufficiency predicates are put together in order to find the compatibility among them, as either binomial or trinomial compatibility. So, three complete compatibilities are found based on which some concluding remarks are provided. [ABSTRACT FROM AUTHOR]

Generally, the main three logical models of financial markets (Efficient Market Hypothesis - EMH, Adaptive Market Hypothesis - AMH, and even - partially - Behavioural Market Hypothesis - BMH) take for granted the idea that information drives behaviour, therefore, information is always the channel through the decision is taken, no matter whether such a decision is optimal or sub-optimal. The paper critically examines such an „axiom" and proposes a causally inversion of the relation, that is, it argues that (in the most part), in fact, behaviour drives information, To this end, a new typology of information as well as a new typology of information mixes available to the economic agent are provided and discussed. The research is conducted in a logical key, and the two main findings are: a) the informational-based model of financial market should be replaced by a behaviour-based one; b) the informational efficiency of financial market should be replaced by a behavioural efficiency one. The paper claims its origin and target from institutionalism and evolutionism in the microeconomic academic research. [ABSTRACT FROM AUTHOR]

The paper aims to discuss the concept of fiscal sustainability, in the framework of the general sustainability property of a system. To this end, after some theoretical preliminaries, a set of algebraic formalizations is provided in order to capture the concept of fiscal sustainability from a methodological perspective. Some criteria and macroeconomic indicators are proposed and examined for measuring the state and the dynamics of fiscal sustainability. Then, the formal acquisitions are used empirically to assess the state of fiscal sustainability in Romania. Finally, some considerations regarding our own proposals are made, while also including some methodological precautions. [ABSTRACT FROM AUTHOR]