This paper examines the use of U.S. cash dollars as a secondary currency in informal transactions worldwide. While there is considerable interest in and a large theoretical literature on the use of secondary currencies, few empirical results have been established. The primary reason is that the...

There is often speculation that the international roles of currencies may be changing. This paper presents the current status of these roles. The U.S. dollar continues to be the dominant currency across various uses. Yet, such a role may change over time. If this occurs, there could be...

We model a safe asset market with investors valuing safety, investors valuing liquidity, and constrained dealers. While safety investors and liquidity investors can interact symbiotically with offsetting trades in times of stress, we show that liquidity investors’ strategic interaction harbors...