We use a modified version of the Lagos-Wright model to introduce an essential role for banks. Due to preference shocks, agents have excess demand for or supply of money balances. Banks arise to reallocate excess cash by taking deposits from sellers and making loans to buyers. We consider two...

We consider a monetary economy with directed multilateral matching between buyers and sellers. A buyer chooses how much money to hold, observes the location of all sellers, and decides which seller to visit. The number of buyers that arrive at a particular seller is random due to lack of...