CDCR6060 - Experimental Economics: Documenting Irrational Choices and Preferences 2022/23 Fall
Section outline
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Practical information
Fridays from 1:30 pm till 12:30 pm.
Onsite if possible, online otherwise.
On-site: D105 (Note the change of classroom!)
Zoom Meetings: https://ceu-edu.zoom.us/j/93024052014?pwd=M1c2N0ZGV3FtcVQyakNnQUVKWk80Zz09
Meeting ID: 930 2405 2014 Passcode: 623798
Spreadsheet about presentations: https://docs.google.com/spreadsheets/d/1nUf-e4j8qquMMg62BtHLecUPq_I7ccCD-rE4uuwTWVM/edit?usp=sharing
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Course description
In this course, we will read and discuss papers about the psychological factors that underpin decision-making, focusing on decisions taken when interacting with others. The course has four parts:
1. An introduction to decision theory and behavioural economics
Behavioral game theory is a subfield of behavioral economics, in which behavior is analyzed in terms of the costs and benefits it brings about. We will dedicate the first sessions to explaining the framework and its key notions, such as ‘bounded rationality’ and ‘cognitive biases’.
2. Studies on cognitive biasesWe will review the experimental literature documenting some of the most important cognitive biases: decoy effect, sunk cost effect, ambiguity aversion.
3. Studies on other-regarding preferences
We will see what decisions are likely to be based on social, other-regarding preferences. which we will attempt to specify what these preferences are.
4. Strategic decision making--coordination
We will then look at choices in strategic contexts: that’s where game theory is relevant, because the benefits of the choices made also depend on what others’ choose.
Learning outcome
Acquaintance with the problems and methods of experimental economics, especially concerning bounded rationality, the study of pro-social motives and how we coordinate.
Knowledge about the psychological bases of economic behaviour
At the end of the course, students should master a number of concepts and models used in decision sciences and game theory, such as ‘preference’, utility function, maximisation of expected utility, and Nash equilibrium. They will know about a number of findings in behavioural economics: the most famous biases, such as the ‘sunk cost fallacy’, and theories of social preferences, such as inequity aversion. Last, they will become familiar with the experimental method used in experimental and behavioural economics.
Course requirements
Two one-page essays: the essays will consist of
1. an empirical hypothesis about what preferences people have and/or what cognitive processes are at work when taking a decision,
2. an experimental protocol (or the description of a computer simulation, or a mathematical model) meant to test the hypothesis.
60% of the final grade.
Articles presentations: students will be asked to write hands-out and stimulate discussion during two sessions with discussion format.
20% of the final grade.
Participation to the class and homework: students are expected to actively engage with the questions raised in the course, challenge or defend the psychological theories presented in the readings, question the methodology, etc. Students will also be asked to solve some exercises in decision and game theory.
20% of the final grade.
Homework due: Exercises will be due the week after they are given. The first one-page essays should be handed in before November 26th (midnight), and the second by January 9th (midnight).
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Suggested readings:
Levitt and Dubner (2005) Freakonomics: A Rogue Economist Explores the Hidden Side of Everything. New York: William Morrow.
Frank, Robert H. (2008) Microeconomics and Behavior. McGraw-Hill. Or any microeconomics textbook.
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Main reading
Staw, B. M. (1981). The escalation of commitment to a course of action. Academy of management Review, 6(4), 577-587.
To go further
Arkes, Hal R. (1985) and Catherine Blumer. "The psychology of sunk cost." Organizational behavior and human decision processes 35.1 : 124-140.
Heath, C. (1995). Escalation and de-escalation of commitment in response to sunk costs: The role of budgeting in mental accounting. Organizational Behavior and Human Decision Processes, 62(1), 38-54.
Friedman, D., Pommerenke, K., Lukose, R., Milam, G., & Huberman, B. A. (2007). Searching for the sunk cost fallacy. Experimental Economics, 10(1), 79-104.
Olivola, C. Y. (2018). The interpersonal sunk-cost effect. Psychological science, 29(7), 1072-1083.
Sweis, B. M., Abram, S. V., Schmidt, B. J., Seeland, K. D., MacDonald, A. W., Thomas, M. J., & Redish, A. D. (2018). Sensitivity to “sunk costs” in mice, rats, and humans. Science, 361(6398), 178-181.
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Opened: Monday, 10 October 2022, 12:00 AMDue: Thursday, 13 October 2022, 12:00 AM
See the pdf in the Moodle.
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Ambiguity aversion
Main reading
Fox, C. R., & Tversky, A. (1995). Ambiguity aversion and comparative ignorance. The quarterly journal of economics, 585-603.
To go further
Rode, C., Cosmides, L., Hell, W., & Tooby, J. (1999). When and why do people avoid unknown probabilities in decisions under uncertainty? Testing some predictions from optimal foraging theory. Cognition, 72(3), 269-304.
Ghirardato, P., & Marinacci, M. (2002). Ambiguity made precise: A comparative foundation. Journal of Economic Theory, 102(2), 251-289.
Decoy effect
Main reading
Ariely D, Wallsten TS. 1995 Seeking subjective dominance in multidimensional space: An explanation of the asymmetric dominance effect. Organ. Behav. Hum. Decis. Process. 63, 223–232. (doi:10.1006/obhd.1995.1075)
To go further
Lea AM, Ryan MJ. 2015 Irrationality in mate choice revealed by túngara frogs. Science (80-. ). 349, 964–966. (doi:10.1126/science.aab2012)
Trimmer, P. C. (2013). Optimal behaviour can violate the principle of regularity. Proceedings of the Royal Society of London B: Biological
Sciences, 280(1763), 20130858.
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Main reading
Charness G., Rabin M. (2002) Understanding social preferences with simple tests. Quarterly Journal of Economics, 117 (3), p. 817-869.
Supplementary readings:
Engel, C. (2010) Dictator games: a meta-study. MPI Collective Goods Preprint No. 2010/07
First part of Guala, F. (2005) The Methodology of Experimental Economics, Cambridge University Press.
Camerer (2003) p. 43 to 101
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Goal: introducing the problem of cooperation, from an evolutionary perspective. Specifying the ultimate causes and proximate mechanisms of prosocial choices, including Strong Reciprocity.
Main reading
E Fehr, U Fischbacher and S. Gätcher (2002) Strong reciprocity, human cooperation, and the enforcement of social norms. Human nature, vol. 13, num. 1, pp. 1--25
Supplementary readings
E. Fehr, S. Gächter (2002) Altruistic punishment in humans. Nature, vol. 415, pp. 137—140
Guala, F. (2011) “Reciprocity: Weak or Strong? What Punishment Experiments Do (and Do Not) Demonstrate”, DEAS Working Paper 2010-23. BBS.
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A nice funny game, with some lessons on the evolution of trust and prosociality
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Main readings
Krupka, E. L., & Weber, R. A. (2013). Identifying social norms using coordination games: Why does dictator game sharing vary? Journal of the European Economic Association, 11(3), 495–524. https://doi.org/10.1111/jeea.12006
Supplementary readings
Chapter 1 and 2: Bicchieri, C. (2005). The grammar of society: The nature and dynamics of social norms. Cambridge University Press.
Heintz, C., Karabegovic, M., & Molnar, A. (2016). The co-evolution of honesty and strategic vigilance. Frontiers in psychology, 7.
Bicchieri, C., & Muldoon, R. (2011). Social norms. Stanford Encyclopedia of Philosophy.
Available: https://seop.illc.uva.nl/entries/social-norms/
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Question: what are the ultimate motives behind prosocial choices? The main hypotheses include:
- people prefer to abide by the social norm, and some of these norms prescribe specific distributions of costs and benefits
- people prefer specific distributions of cost and benefits per se: they are inequity averse or have a sense of fairness
- people desire their partners to have specific mental states, especially that these partners think they are good cooperators yet cannot be trifled with. They want their partner to know what they consider acceptable or not.
Main reading
Molnar, A., Chaudhry, S., & Loewenstein, G. (2021). 'It's Not About the Money. It's About Sending a Message!': Unpacking the Components of Revenge.
Further readings
Ho, M. K., Cushman, F., Littman, M. L., & Austerweil, J. L. (2019). People teach with rewards and punishments as communication, not reinforcements. Journal of Experimental Psychology: General, 148(3), 520-549.
Heintz, C., Celse, J., Giardini, F., & Data, S. M. (2015). Facing expectations: Those that we prefer to fulfil and those that we disregard. Judgment and Decision Making, 10(5), 442.
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Main reading
Mehta, J, Starmer, C., & Sugden, R. (1994). The nature of salience: An experimental investigation of pure coordination games. The American
Economic Review.
Further readings:
Mehta, Judith, Starmer, C., & Sugden, R. (1994). Focal points in pure coordination games: An experimental investigation. Theory and Decision, 36(2), 163–185.
Bardsley, N., Mehta, J., Starmer, C., & Sugden, R. (2006). The nature of salience revisited: cognitive hierarchy theory versus team reasoning. Economic Journal.
Crawford, V. (2008). The power of focal points is limited: even minute payoff asymmetry may yield large coordination failures. The American Economic Review, 98(4), 1443–1458.
Janssen, M. (2001). Rationalizing focal points. Theory and Decision, 50, 119–148.
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Opened: Tuesday, 1 November 2022, 12:00 AMDue: Friday, 18 November 2022, 12:00 AM
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Opened: Tuesday, 22 November 2022, 12:00 AMDue: Saturday, 26 November 2022, 11:59 PM
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Uploaded 22/11/22, 10:21
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Due: Monday, 9 January 2023, 11:59 PM
Your second protocol should have the same format as the first protocol: one page of text with:
- Spelling out what is the hypothesis
- One paragraph explaining why it is an interesting hypothesis
- Explanation of the means to test the hypothesis--aka the protocol.
- Spelling out the predictions
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We will discuss in small groups of five your ideas for the final essays.
There will be three sessions of one hour.
Put your name in one of the three available sessions:
https://docs.google.com/spreadsheets/d/1nUf-e4j8qquMMg62BtHLecUPq_I7ccCD-rE4uuwTWVM/edit?usp=sharing
(See tab: Groups for session)
Please try to get evenly distributed (I count on self-emerging order ... ) -
Dewan, A., & Neligh, N. (2020). Estimating information cost functions in models of rational inattention. Journal of Economic Theory, 187, 105011.