This paper explores the remarkable roles of exchange rates when a cryptocurrency is adopted and commonly used as another type of foreign currency in the international economy. First, in order to examine its movement, we describe the price of a cryptocurrency as the relative price in terms of a...

Recent theoretical developments in exchange rate economics have led to important new insights into the functioning of the foreign exchange market. The simple models of the 1970s, which could not withstand empirical evaluation, have been succeeded by more complex models that draw on theoretical...