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http://hdl.handle.net/10419/58407
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| Title: | | Unbeatable imitation  |
| Authors: | | Duersch, Peter Oechssler, Jörg Schipper, Burkhard C. |
| Issue Date: | | 2010 |
| Series/Report no.: | | Working Papers, University of California, Department of Economics 10,3 |
| Abstract: | | We show that for many classes of symmetric two-player games, the simple decision rule imitate-the-best can hardly be beaten by any other decision rule. We provide necessary and sufficient conditions for imitation to be unbeatable and show that it can only be beaten by much in games that are of the rock-scissors-paper variety. Thus, in many interesting examples, like 2x2 games, Cournot duopoly, price competition, rent seeking, public goods games, common pool resource games, minimum effort coordination games, arms race, search, bargaining, etc., imitation cannot be beaten by much even by a very clever opponent. |
| Subjects: | | imitate-the-best learning symmetric games relative payoffs zero-sum games rock-paper-scissors finite population ESS potential games quasisubmodular games quasisupermodular games quasiconcave games aggregative games |
| JEL: | | C72 C73 D43 |
| Document Type: | | Working Paper |
| Appears in Collections: | | Working Papers, Department of Economics, UC Davis
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