Although the lack of international portfolio diversification has long interested the financial economics literature, the role of financial intermediaries in the market for diversified portfolios has rarely been studied. In this paper, I introduce a microeconomic aspect of under-diversification...

I examine the economic incentives behind the mutual fund trading scandal, which made headlines in late 2003 with news that several asset management companies had arranged to allow abusive--and, in some cases, illegal--trades in their mutual funds. Most of the gains from these trades went to the...

This paper examines the role of compensation contracts in determining risk taking decisions by money managers in the financial industry. A methodology is developed for empirically testing and assessing the magnitude of the effect that incentive contracts have on risk taking in the mutual fund...

During the 1990s, households have sharply increased the share of their portfolios held in equities and mutual funds and sharply reduced the share held in bank accounts. We show that this reallocation has substantially increased the impact of financial-market developments on the demand for money....

This paper examines the relationship between money market fund (MMF) risks and outcomes during crises, with a focus on the ABCP crisis in 2007 and the run on money funds in 2008. I analyze three broad types of MMF risks: portfolio risks arising from a fund's assets, investor risk reflecting the...

This paper investigates whether mutual fund families acting as service providers in 401(k) plans display favoritism toward their own funds. Using a hand-collected dataset on retirement investment options, we show that poorly-performing funds are less likely to be removed from and more likely to...