In this paper we have constructed a theoretical model in which Asian firms maximize their profit, competing with Japanese and US firms in their markets. The duopoly model is used to determine export prices and volumes in response to the exchange rate fluctuations vis-…-vis the Japanese yen and...

In this paper we have constructed a theoretical model in which Asian firms maximize their profit, competing with Japanese and US firms in their markets. The duopoly model is used to determine export prices and volumes in response to the exchange rate fluctuations vis-...-vis the Japanese yen and...

The US dollar has kept as a position of key currency in the global economy in the changing international monetary system where the euro was introduced to some states of the EU in 1999. It is an evidence of inertia of the US dollar as a key currency. Our previous study (Ogawa and Muto, 2017b)...

In previous studies, we estimated a time series of coefficients on five international currencies (the US dollar, the euro, the Japanese yen, the British pound, and the Swiss franc) in a utility function. We call the coefficients utilities of international currencies. The time series show that...