Starting from the Merton framework for firm defaults, we provide the analytics and robustness of the relationship between default correlations. We show that loans with higher default probabilities will not only have higher variances but also higher correlations between loans. As a consequence,...

The purpose of this study is to assess the diversification benefits resulting from international asset allocation. In this study, we examine Capital Asset Pricing Model (CAPM) in its international context (ICAPM) using the monthly equity returns for 26 countries (18 developed and 8 emerging...

We provide an axiomatic foundation for the measurement of correlation diversification in a one-period portfolio model. We propose a set of eight desirable axioms for this class of diversification measures. We name the measures satisfying these axioms coherent correlation diversification...

This paper explores international diversification benefits of Islamic bonds (sukuk) by examining dynamic spillovers and correlations between sukuk and conventional bond and stock markets. Asymmetric volatility spillover effects are observed from global debt and equity markets to Islamic bonds,...

Portfolio diversification and hedging have become more complicated in large part due to adverse developments in the time-varying behavior of correlations, and consequently there is renewed appreciation for understanding how correlation dynamics affect the diversification and hedging properties...

Investors diversify their portfolios to boost returns and manage risk. However, the benefits of diversifying across geographic regions are reduced if markets are highly correlated. This paper examines trends over the past two decades and finds, as expected from global market integration, that...