We show that it is impossible to achieve collusion in a duopoly when (1) the prices depend only on the sum of the firms' supplies (2) firms are able to respond to new information quickly and (3) the likelihood ratio for detection of each deviation is a continuous process (so that new information...

"Selection in Dynamic Games" 1. Assortative Matching with costly search, presented by Alp Atakan 2. A Refinement of Sequential Equilibrium with Application to Decentralized Collusion, presented by Peter Eso 3. Noisy evolution in Normal form Games, presented by Christoph Kuzmics 4. The folk...