Transfers, Contracts and Strategic Games
Tilburg University - Center and Faculty of Economics and Business Administration
Tilburg University - Center for Economic Research (CentER)
Tilburg University - Center for Economic Research (CentER); Tilburg University - Department of Econometrics & Operations Research
University of Santiago de Compostela
Universidad de Vigo - Departemento de Estatistica e Investigacion Operativa
March 1, 2007
CentER Discussion Paper Series No. 2007-24
This paper analyses the role of transfer payments and strategic con tracting within two-person strategic form games with monetary pay-offs. First, it introduces the notion of transfer equilibrium as a strategy combination for which individual stability can be supported by allowing the possibility of transfers of the induced payoffs. Clearly, Nash equilibria are transfer equilibria, but under common regularity conditions the reverse is also true. This result typically does not hold for finite games without the possibility of randomisation, and transfer equilibria for this particular class are studied in some detail. The second part of the paper introduces, also within the setting of finite games, contracting on monetary transfers as an explicit strategic option, resulting in an associated two-stage contract game. In the first stage of the contract game each player has the option of proposing transfer schemes for an arbitrary collection of outcomes. Only if the players fully agree on the entire set of transfer proposals, the payoffs of the game to be played in the second stage are modified accordingly. The main results provide explicit characterisations of the sets of payoff vectors that are supported by Nash equilibrium and virtual subgame perfect equilibrium, respectively.
Number of Pages in PDF File: 17
Keywords: monetary transfer scheme, transfer equilibrium, contract game, virtual subgame perfect equilibrium, Folk theorems
JEL Classification: C72working papers series
Date posted: June 16, 2007
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