It is commonly found that uncertainty helps discipline economic agents in strategic contexts. Using a stochastic variant of the Nash Demand Game, we show that the presence of uncertainty may have a dramatically opposite effect. Cautious (efficient) and dangerous (inefficient) equilibria may...

The management of natural commons is typically subject to threshold effects: past a certain agregate consumption level, the benefits of the commons will be lost for everybody. As dealing with the global climate illustrates, moreover, it is often impossible to locate an actual threshold with...