U.S. consumers' demand for cash is estimated with new panel micro data for 2008-2010 using econometric methodology similar to Mulligan and Sala-i-Martin (2000); Attanasio, Guiso, and Jappelli (2002); and Lippi and Secchi (2009). We extend the Baumol-Tobin model to allow for credit card payments...

Models of money demand, in the Baumol (1952)-Tobin (1956) tradition, describe optimal cash management policy in terms of when and how much cash to withdraw, an (s, S) policy. However, today, a vast array of instruments can be used to make payments, opening additional ways to control cash...

We discuss prospects for innovation in consumer payment instruments. We discuss recent research into consumer payments and what can be learned about consumer behavior towards new payment options. We consider three new innovations in payments: mobile payments, faster payments and digital...