This paper sheds light on a poorly understood phenomenon in microfinance which is often referred to as "mission drift": A tendency reviewd by numerous microfinance institutions to extend larger average loan sizes in the process of scaling-up. . We argue that this phenomenon is not driven by...

This paper uses worldwide firm-level data to scrutinize the governance factors that favor gender diversity in leadership positions. Our results reveal that the gender of the dominant shareholder is key. The chief executive of firms with a female dominant shareholder has a significantly higher...

Levy and Roll (Review of Financial Studies, 2010) have recently revived the debate related to the market portfolio's efficiency suggesting that it may be mean-variance efficient after all. This paper develops an alternative test of portfolio mean-variance efficiency based on the realistic...