We examine how third party ratings and mandatory benchmark disclosure affect aggregate risk adjustment by retail investors. Morningstar changed its ratings methodology in June 2002. Before the change, the ratings were based on a risk-adjusted performance ranking of all US equity funds and highly...

Previous research has suggested that information processing and hierarchy costs play a role in firm-level diseconomies of scale. Using separate accounts (SAs) as a laboratory, we examine if these costs vary across investment style (quantitative vs. fundamental) and what role, if any, they play...