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Optimal Penal Codes in Stochastic Bertrand Games and Collusion Over the Business Cycle.
Lambson, V.E., (1995)
ENTRY, EXIT, AND COMPETITIVE PROFITS IN THE LONG RUN
LAMBSON, V.E., (1988)
A note on optimal penal codes in stochastic Bertrand supergames
Lambson, V.E., (1999)