In this paper, we re-examine the relationship between money and interest rates with a focus on the past few years, when the opportunity cost of M2 has dropped below zero. Until the late 1980s, a stable relationship between monetary aggregates and the opportunity cost of holding money--measured...

It would seem that physical currency should be fading out as the world of payments is increasingly electronic, with new technologies emerging at a rapid pace, and as governments look to restrictions on large-denomination notes as a way to reduce crime and tax evasion. Nonetheless, demand for...

Using confidential Federal Reserve data, we study the factors driving U.S. banknote flows between the United States and other countries. These flows are a significant component of capital flows in emerging market economies, where physical U.S. currency functions as a safe asset and precautionary...

U.S. currency has long been a desirable store of value and medium of exchange in times and places where local currency or bank deposits are inferior in one or more respects. Indeed, as noted in earlier work, a substantial share of U.S. currency circulates outside the United States. Although...