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34 results on '"Wheat, I. David"'

1. Get Started with Macro Modeling

Author

Wheat, I. David, Oliskevych, Marianna, Novik, Alina, Flood, Robert L., Series Editor, Cavana, Robert Y., editor, Dangerfield, Brian C., editor, Pavlov, Oleg V., editor, Radzicki, Michael J., editor, and Wheat, I. David, editor

Published
2021
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5. What can system dynamics learn from the public policy implementation literature?

Author

Wheat, I. David

Subjects
Company business management, Public sector -- Management -- Research, Policy sciences -- Research
Abstract

More often than not, system dynamics model-based public policy analysis is limited to testing parameter changes instead of designing and testing new stock-and-flow policy structures. That is problematic because improvements in behaviour require improvements in structure. This paper considers how the public policy implementation literature could improve the operational thinking skills required for designing policy structure for public sector models. A familiar model of a public health problem is used to illustrate the recommended approach. And an instructional training strategy is offered for teaching and learning to think operationally during the policy-design stage of modelling. Keywords feasibility; implementation; policy design; public policy; system dynamics, INTRODUCTION During World War I, American humorist and social commentator Will Rogers was asked how the Allies should deal with the enemy submarine problem. He said the solution was simple, [...]

Published
2010
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10. The Feedback Method. A System Dynamics Approach to Teaching Macroeconomics

Author

Wheat, I. David

Subjects
Samfunnsvitenskap: 200::Økonomi: 210 [VDP]
Abstract

This thesis documents a method for improving undergraduate instruction inmacroeconomics. Called the feedback method, it enables students to learn about dynamicbehavior in a market economy by using feedback loop diagrams and interactive computersimulation models instead of static graphs or differential equations. There are at least twotypes of pedagogical problems associated with graphical representation of the economy.First, students seem to have difficulty interpreting static graphs used to illustrate dynamics,which raises questions about the value added by graphs to student understanding. Secondly,the most prominent graph in modern macroeconomics principles textbooks—the aggregatesupply and demand (AS/AD) model—appears to misrepresent disequilibrium conditions inthe economy and cause students who understand the graph to misunderstand importantbehavior in the economy.The feedback method emphasizes dynamics rather than static equilibrium conditions.How the economy changes over time in different contexts is the behavioral question thatstudents repeatedly encounter. The structure of the economy is explained in terms ofreinforcing and counteracting feedback loops. Student understanding of the source ofdynamic economic behavior requires seeking, identifying, and explaining relevant feedbackstructure in an economic system. Interactive computer simulation activities reinforce theinsights gained from studying feedback loops. Even small-scale student participation inmodel-building seems to facilitate understanding of a larger model; moreover, suchparticipation may build respect for the scientific method and an appreciation for theory building by economists. The feedback method is a structural explanation of economic behavior, but it alsoprovides an improved learning structure for students, and the thesis reports on fourexperiments designed to test that claim. Two experiments examined student preferences formethods of learning macroeconomics; for example, using static graphs or a feedback loopdiagram. The experimental designs were quite different, but the results were the same—asignificant majority preferred the feedback method. The most commonly cited reason:feedback loops enable the students to visualize a process in the economy. The third andfourth experiments addressed the performance question. In the third experiment, studentsshowed more understanding of GDP when they had access to a stock-and-flow feedbackdiagram of the economy. In the final experiment, students using feedback loop diagramsdisplayed more understanding of business cycle dynamics than other students who had accessto an AS/AD graph. Teaching students to search for feedback structure in the economy andusing computer simulation to connect structure with behavior appears to be a promisingmethod for teaching macroeconomics.

Published
2007

15. Dynamic regional economic modeling: a systems approach.

Author

Wheat, I. David and Pawluczuk, Andrzej

Subjects
REGIONAL economics, INDUSTRIES, SIMULATION methods & models, REGIONAL planning, OPERATIONS research
Abstract

Copyright of Economics & Management / Ekonomia i Zarzadzanie is the property of Bialystok University of Technology (Politechnika Bialostocka) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2014
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34. Introduction to Feedback Economics

Author

Radzicki, Michael J., Flood, Robert L., Series Editor, Cavana, Robert Y., editor, Dangerfield, Brian C., editor, Pavlov, Oleg V., editor, Radzicki, Michael J., editor, and Wheat, I. David, editor

Published
2021
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