The risk-return relationship is one of the fundamental concepts in finance that is most important to investors and portfolio managers. Finance theory argues that the beta or systematic risk is the only relevant risk measure for investors. However, many studies have showed that betas and returns...

A recent article published in International Business Review (12 (2003) 109) argues for the usefulness of beta as a measure of risk in international stock markets. The beta-return relationship is significantly positive (negative) when the market excess returns are positive (negative). This paper...

International managers need to manage foreign exchange rate risks effectively in order to maximize the value of the firm. Modern portfolio theory suggests that exchange rate risks can be reduced through currency portfolio diversification. However, little attention has been paid in the literature...

Diversification and day-of-the-week effects on exchange rate risks have been well documented in the literature, but separately. This paper studies empirically the interaction of diversification and day-of-the-week effects on exchange rate risks. The results show that different days have great...