We challenge the global optimality of one-shot punishments in infinitely repeated games with discounting. Specifically, we show that the stick-and-carrot punishment à la Abreu (1986) may not be globally optimal. We prove our result by investigating tacit collusion in the infinite repetition of...

Chapter 1. Introduction -- Chapter 2. Environmental Policies in the Power Sector -- Chapter 3. Features of Power Sectors -- Chapter 4. Analysis of Power System Operations with Non-Dominant Firms -- Chapter 5. Analysis of Power System Operations with a Dominant Firm and an Oligopolistic Industry...

The main objects here are Nash equilibria in spatial Cournot oligopolies when profits depend on coordinated distribution. Production is non-cooperative, but the subsequent transportation must be performed jointly to minimize costs. Cournot-Nash equilibria for this two-stage game with partial...