This survey reviews the economic thoughts about what and why do institutional market players lose because of the existing market frictions and particular financial market microstructures compared to walrasian markets. Within a unified microeconomic framework, we introduce the most common...

This survey reviews the economic thoughts about what and why do institutional market players lose because of the existing market frictions and particular financial market microstructures compared to walrasian markets. Within a unified microeconomic framework, we introduce the most common...

We show that for any market-clearing price, average profits in a symmetric industry cannot exceed the individual profits from the Walrasian output. This immediately implies that a firm itself can guarantee to beat the market by producing the Walrasian output. This property clarifies and...

In this paper, the authors characterize belief-free equilibria in infinitely repeated games with incomplete information with N \ge 2 players and arbitrary information structures. This characterization involves a new type of individual rational constraint linking the lowest equilibrium payoffs...