When assets exhibit asymmetric dependence or joint downside risk, diversificationcan fail and financial markets may be prone to systemic risk. We analyze thedependence structure of risk factors in the US economy, using both correlations anda parsimonious set of copulas. We find evidence of...

The viability of international diversification involves balancing benefits and costs.This balance hinges on the degree of asset dependence. In light of theoretical researchlinking diversification and dependence, we examine international diversification usingtwo measures of dependence:...

International diversification has costs and benefits, depending on the degree of assetdependence. In light of theoretical research linking diversification and dependence, weexamine international diversification with two dependence measures: correlations andextreme dependence. We document several...

While the hypothesis that ownership concentration can aect the value of a company has seen a lotof empirical study, little light has been shed on a complementary problem, that these concentratedowners have a cost of their position due to an undiversified portfolio. Using a unique data set ofthe...