The liabilities of private financial institutions (private money) have circulated historically. Current interest in private money has been spurred by advances in information technology that permit new types of payments arrangements. The author uses a search model of money to evaluate some of the...

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. There is capital accumulation and an endogenous interest rate. The key feature of this environment...