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...

We investigate the relation among trapped cash, permanently reinvested earnings, and foreign cash. We define trapped cash as cash and cash equivalents generated by foreign earnings and held by U.S. MNC's foreign subsidiaries due to concerns over repatriation taxes, and explain why trapped cash,...