We propose a new investment strategy employing "factor funds" to systematically enhance the mean-variance efficiency of international diversification. Our approach is motivated by the increasing evidence that size (SMB), book-to-market (HML), and momentum (MOM) factors, along with the market...

In this paper, we analyze the gains from international diversification of investment portfolios from the Japanese as well as the U.S. perspectives. The major findings of this paper include: First, the 'potential' gains from international, as opposed to purely domestic, diversification are much...

In this paper, we study a firm that faces demand from two sources: demand for new items and demand to replace failed items under warranty. We model this setting as a multiperiod single-product inventory problem where the demands for new items in different periods are independent and the demands...