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Autor:innen: 
Erscheinungsjahr: 
2002
Schriftenreihe/Nr.: 
Working Paper No. 2002-20
Verlag: 
Brown University, Department of Economics, Providence, RI
Zusammenfassung: 
In contrast to the existing literature on repeated games that assumes a Þxed discount factor, I study an environment in which it is more realistic to assume a ßuctuating discount factor. In a repeated oligopoly, as the interest rate changes, so too does the degree to which Þrms discount the future. I characterize the optimal tacit collusion equilibrium when the discount factor changes over time, under both price and quantity competition, and I show that collusive prices and proÞts depend not only on the level of the discount factor but also on its volatility. Collusive prices and proÞts increase with a higher discount factor level, but decrease with its volatility. These results have important implications not only for the study of cooperation in repeated games but also for empirical studies of collusive pricing and the role that collusive pricing may play in economic cycles.
Schlagwörter: 
tacit collusion
interest rate
random discount factor
repeated games
JEL: 
C7
D43
L13
Dokumentart: 
Working Paper

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