In this article, tests for globalization and contagion are separated using an ex ante definition of crises, and contagion tests are neutralized with respect to globalization effects. A large database is constructed to study the stability of correlation matrices for four asset classes: equities,...

Factor investing emerged as the byproduct of factor models of asset pricing. It consists in holding assets with positive exposure to selected risk factors and, if possible, shorting those with negative exposure. This paper assesses the merits of factor investing on the U.S. stock market by using...

Using large-cap exchange-traded funds (ETFs), this paper provides guidance on enhancing the performance of long-only factor portfolios through sector-based blending. The blending method builds ETF portfolios that optimize the factor exposure of sectors. We use the original factors of Fama and...

Using large-cap exchange-traded funds (ETFs), this paper provides guidance on enhancing the performance of long-only factor portfolios through sector-based blending. The blending method builds ETF portfolios that optimize the factor exposure of sectors. We use the original factors of Fama and...

This paper is the first to draw a global picture of worldwide microfinance equity by taking full advantage of daily quoted prices. We revisit previous findings showing that investors should consider microfinance as a self-standing sector. Our results are threefold: 1) Microfinance has become...

This paper compares the performance of various diversification strategies regarding foreign exchange reserves. The aim is to provide central banks with guidelines in portfolio allocation. We pay particular attention to the situation of upward pressures on U.S. interest rates by implementing our...

In this article, tests for globalization and contagion are separated using an ex ante definition of crises, and contagion tests are neutralized with respect to globalization effects. A large database is constructed to study the stability of correlation matrices for four asset classes: equities,...