Passive index investing involves the low cost strategy of investing in a fund that replicates or, more often, tracks a market index. Enhanced indexation uses the returns of an index as a reference point and aims at outperforming this index. The intuition behind enhanced indexing is that market...

Because heterogenous and unknown shareholder utility functions make it difficult to define a corporate objective common to all shareholders based on utility, the traditional theory of the firm concentrates on wealth maximization as the main measure of performance. Using the concept of ranked...

The weak empirical evidence linking diversification and international equity flows calls into question the diversification paradigm at the international level and the analytical framework it implies. Using a novel measure of diversification that includes all the moments of the distribution of...