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Individual Differences in EWA Learning with Partial Payoff Information

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  • TeckH. Ho
  • Xin Wang
  • ColinF. Camerer

Abstract

We extend experience-weighted attraction (EWA) learning to games in which only the set of possible foregone payoffs from unchosen strategies are known, and estimate parameters "separately" for each player to study heterogeneity. We assume players estimate unknown foregone payoffs from a strategy, by substituting the last payoff actually received from that strategy, by clairvoyantly guessing the actual foregone payoff, or by averaging the set of possible foregone payoffs conditional on the actual outcomes. All three assumptions improve predictive accuracy of EWA. Individual parameter estimates suggest that players cluster into two separate subgroups (which differ from traditional reinforcement and belief learning). Copyright 2008 The Author(s). Journal compilation Royal Economic Society 2008.

Suggested Citation

  • TeckH. Ho & Xin Wang & ColinF. Camerer, 2008. "Individual Differences in EWA Learning with Partial Payoff Information," Economic Journal, Royal Economic Society, vol. 118(525), pages 37-59, January.
  • Handle: RePEc:ecj:econjl:v:118:y:2008:i:525:p:37-59
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    Cited by:

    1. Shachat, Jason & Swarthout, J. Todd, 2012. "Learning about learning in games through experimental control of strategic interdependence," Journal of Economic Dynamics and Control, Elsevier, vol. 36(3), pages 383-402.
    2. Breitmoser, Yves, 2017. "Knowing Me, Imagining You:," Rationality and Competition Discussion Paper Series 36, CRC TRR 190 Rationality and Competition.
    3. repec:wyi:journl:002151 is not listed on IDEAS
    4. Francesco Feri & Bernd Irlenbusch & Matthias Sutter, 2010. "Efficiency Gains from Team-Based Coordination—Large-Scale Experimental Evidence," American Economic Review, American Economic Association, vol. 100(4), pages 1892-1912, September.
    5. Breitmoser, Yves, 2015. "Knowing me, imagining you: Projection and overbidding in auctions," MPRA Paper 62052, University Library of Munich, Germany.
    6. Akyol, Metin, 2016. "Do educational vouchers reduce inequality and inefficiency in education?," Economics of Education Review, Elsevier, vol. 55(C), pages 149-167.
    7. M. S. Iftekhar & A. Hailu & R. K. Lindner, 2014. "Does It Pay to Increase Competition in Combinatorial Conservation Auctions?," Canadian Journal of Agricultural Economics/Revue canadienne d'agroeconomie, Canadian Agricultural Economics Society/Societe canadienne d'agroeconomie, vol. 62(3), pages 411-433, September.
    8. Camerer, Colin F. & Ho, Teck-Hua, 2015. "Behavioral Game Theory Experiments and Modeling," Handbook of Game Theory with Economic Applications, Elsevier.
    9. Chen, Shu-Heng, 2012. "Varieties of agents in agent-based computational economics: A historical and an interdisciplinary perspective," Journal of Economic Dynamics and Control, Elsevier, vol. 36(1), pages 1-25.
    10. Wilfred Amaldoss & Woochoel Shin, 2011. "Competing for Low-End Markets," Marketing Science, INFORMS, vol. 30(5), pages 776-788, September.
    11. Michael P. Haselhuhn & Devin G. Pope & Maurice E. Schweitzer & Peter Fishman, 2012. "The Impact of Personal Experience on Behavior: Evidence from Video-Rental Fines," Management Science, INFORMS, vol. 58(1), pages 52-61, January.
    12. Golman, Russell, 2012. "Homogeneity bias in models of discrete choice with bounded rationality," Journal of Economic Behavior & Organization, Elsevier, vol. 82(1), pages 1-11.
    13. Bigoni, Maria & Fort, Margherita, 2013. "Information and learning in oligopoly: An experiment," Games and Economic Behavior, Elsevier, vol. 81(C), pages 192-214.
    14. repec:gam:jsusta:v:9:y:2017:i:10:p:1747-:d:113547 is not listed on IDEAS
    15. Simon Gemkow & Michael Neugart, 2011. "Referral hiring, endogenous social networks, and inequality: an agent-based analysis," Journal of Evolutionary Economics, Springer, vol. 21(4), pages 703-719, October.
    16. Wu, Hang & Bayer, Ralph-C, 2015. "Learning from inferred foregone payoffs," Journal of Economic Dynamics and Control, Elsevier, vol. 51(C), pages 445-458.
    17. Russell, Golman, 2011. "Quantal response equilibria with heterogeneous agents," Journal of Economic Theory, Elsevier, vol. 146(5), pages 2013-2028, September.
    18. Kawagoe, Toshiji & Takizawa, Hirokazu, 2012. "Level-k analysis of experimental centipede games," Journal of Economic Behavior & Organization, Elsevier, vol. 82(2), pages 548-566.

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