We consider a random matching model without monetary exchange where agents have complete access to each others' histories. Exchange is motivated by risk sharing given random unobservable incomes. The key feature of this environment is that information is mobile across locations even while goods...

A random matching environment is constructed where banks mitigate a mismatch between the timing of investment payoffs and when agents wish to consume. Claims on banks may serve as media of exchange, i.e. private money. Two problems can emerge with private money. First, there may exist...