We consider an inventory model for a liquid asset where the per-period net expenditures have two components: one that is frequent and small and another that is infrequent and large. We give a theoretical characterization of the optimal management of liquid asset as well as of the implied...

It is shown that accounting for technology variations, across households and periods, is important to obtain theoretically consistent estimates of the demand for currency. An inventory model is presented where the withdrawal technology is explicitly modeled. Both the level and the interest rate...