We analyze collusion under demand uncertainty by cartels such as OPEC that care about the utility derived from profits by citizens. When citizens are sufficiently risk averse and fixed operating costs are non-trivial, it becomes difficult for cartels to collusively restrict output both when...

We build a model of tacit collusion between firms that operate in multiple markets to study the effects of trade costs. A key feature of the model is that cartel discipline is endogenous. Thus, markets that appear segmented are strategically linked via the incentive compatibility constraint....