This dissertation consists of three empirical studies on capital market efficiency in a broader sense. Two of the three papers are dedicated to the examination of short-term stock-returns in the wake of large one-day price changes – positive or negative. If significant abnormal returns can be...

We assess the abilities and the role of buy-side analysts within mutual fund families by analyzing mutual funds managed by buy-side analysts from fourteen fund families. Buy-side analysts exhibit investment abilities by realizing positive style- and risk-adjusted returns. Analysts' skills have a...

This paper investigates investor disagreement and clientele effects in performance evaluation by developing a measure that considers the best potential clienteles of mutual funds. In an incomplete market under law-of-one-price and no-good-deal conditions, we obtain an upper bound on admissible...