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Experience-Weighted Attraction Learning in Coordination Games: Probability Rules, Heterogeneity, and Time-Variation

Camerer, Colin F. and Ho, Teck-Hua (1998) Experience-Weighted Attraction Learning in Coordination Games: Probability Rules, Heterogeneity, and Time-Variation. Journal of Mathematical Psychology, 42 (2-3). pp. 305-326. ISSN 0022-2496. http://resolver.caltech.edu/CaltechAUTHORS:20110210-101123536

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Abstract

In earlier research we proposed an “experience-weighted attraction (EWA) learning” model for predicting dynamic behavior in economic experiments on multiperson noncooperative normal-form games. We showed that EWA learning model fits significantly better than existing learning models (choice reinforcement and belief-based models) in several different classes of games. The econometric estimation in that research adopted a representative agent approach and assumed that learning parameters are stationary across periods of an experiment. In addition, we used the logit (exponential) probability response function to transform attraction of strategies into choice probability. This paper allows for nonstationary learning parameters, permits two “segments” of players with different parameter values in order to allow for some heterogeneity, and compares the power and logit probability response functions. These specifications are estimated using experimental data from weak-link and median-action coordination games. Results show that players are heterogeneous and that they adjust their learning parameters over time very slightly. Logit probability response functions never fit worse than power functions, and generally fit better.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1006/jmps.1998.1217 DOIUNSPECIFIED
http://www.sciencedirect.com/science/article/B6WK3-45KV6M3-B/2/f7e72a47f00461a149881d42152edaaePublisherUNSPECIFIED
Additional Information:© 1998 Academic Press. Received: February 12, 1998. Available online 16 April 2002. This research was supported by NSF grants SBR-9511001 and SBR-9511137. Hongjai Rhee and Dana Peele provided excellent research assistance.
Funders:
Funding AgencyGrant Number
NSFSBR-9511001
NSFSBR-9511137
Record Number:CaltechAUTHORS:20110210-101123536
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20110210-101123536
Official Citation:Colin Camerer, Teck-Hua Ho, Experience-Weighted Attraction Learning in Coordination Games: Probability Rules, Heterogeneity, and Time-Variation, Journal of Mathematical Psychology, Volume 42, Issues 2-3, June 1998, Pages 305-326, ISSN 0022-2496, DOI: 10.1006/jmps.1998.1217. (http://www.sciencedirect.com/science/article/B6WK3-45KV6M3-B/2/f7e72a47f00461a149881d42152edaae)
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ID Code:22109
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:20 Feb 2011 01:07
Last Modified:20 Feb 2011 01:07

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