When the Punishment Must Fit the Crime: Remarks on the Failure of Simple Penal Codes in Extensive-Form Games
In repeated normal-form games, simple penal codes (Abreu 1986, 1988) permit an elegant characterization of the set of subgame-perfect outcomes. We show that the logic of simple penal codes fails in repeated extensive-form games. We provide two examples illustrating that a subgame-perfect outcome may be supported only by a profile with the property that the continuation play after a deviation is tailored not only to the identity of the deviator, but also to the nature of the deviation.
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- Fudenberg, Drew & Maskin, Eric, 1986. "The Folk Theorem in Repeated Games with Discounting or with Incomplete Information," Econometrica, Econometric Society, vol. 54(3), pages 533-54, May.
- Sorin Sylvain, 1995. "A Note on Repeated Extensive Games," Games and Economic Behavior, Elsevier, vol. 9(1), pages 116-123, April.
- repec:bla:restud:v:53:y:1986:i:5:p:709-24 is not listed on IDEAS
- Volker Nocke & Lucy White, 2003.
"Do Vertical Mergers Facilitate Upstream Collusion?,"
PIER Working Paper Archive
03-033, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania.
- Volker Nocke & Lucy White, 2007. "Do Vertical Mergers Facilitate Upstream Collusion?," American Economic Review, American Economic Association, vol. 97(4), pages 1321-1339, September.
- Lucy White & Volker Nocke, 2004. "Do Vertical Mergers Facilitate Upstream Collusion?," 2004 Meeting Papers 45, Society for Economic Dynamics.
- Nocke, Volker & White, Lucy, 2004. "Do Vertical Mergers Facilitate Upstream Collusion?," CEPR Discussion Papers 4186, C.E.P.R. Discussion Papers.
- Rubinstein Ariel & Wolinsky Asher, 1995. "Remarks on Infinitely Repeated Extensive-Form Games," Games and Economic Behavior, Elsevier, vol. 9(1), pages 110-115, April.
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