We define a newstrategic equilibrium concept - called strong collusion-proof contract - designed to characterize stable communication agreements in games with differential information against non-binding, selfenforcing and incentive compatible deviations by coalitions. We then construct a...

We present a feasible strategic market mechanism with finitely many agents whose Nash, semi-strong Nash and coalition-proof Nash equilibria fully implement the Walrasian equilibria. We define a strategic equilibrium concept, called correlated semi-strong equilibrium, and show that the Walrasian...