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Contribution Details

Type Journal Article
Scope Discipline-based scholarship
Title A unified approach to comparative statics puzzles in experiments
Organization Unit
Authors
  • Armin Schmutzler
Item Subtype Original Work
Refereed Yes
Status Published in final form
Language
  • English
Journal Title Games and Economic Behavior
Publisher Elsevier
Geographical Reach international
ISSN 0899-8256
Volume 71
Number 1
Page Range 212 - 223
Date 2011
Abstract Text The paper shows that several game-theoretic solution concepts provide similar comparative statics predictions over a wide class of games. I start from the observation that, in many experiments, behavior is affected by parameter shifts that leave the Nash equilibrium unchanged. I explain the direction of change with a heuristic structural approach, using properties such as strategic complementarities and increasing differences. I show that the approach is consistent with general comparative statics results for (i) the Nash equilibrium of a game with perturbed payoff functions, (ii) the quantal response equilibrium, (iii) level-k reasoning. I also relate the structural approach to equilibrium selection concepts.
Digital Object Identifier 10.1016/j.geb.2010.07.008
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