Privatinvestoren sind eine wichtige Anlegergruppe auf den Finanzmärkten. In zahlreichen Arbeiten ist dokumentiert worden, daß private Anleger bestimmte Verhaltensweisen an den Tag legen, die die Annahme vollständiger Rationalität verletzen. Diese Verhaltensweisen wiederum können einen...

The overvaluation hypothesis (Miller 1977) predicts that a) stocks are overvalued inthe presence of short selling restrictions and that b) the overvaluation increases in the degree ofdivergence of opinion. We design an experiment that allows us to test these predictions in thelaboratory. The...

Recent empirical research suggests that measures of investor sentimenthave predictive power for future stock returns over the intermediate and longterm. Given the widespread publication of sentiment indicators, smart investorsshould trade on the information conveyed by such indicators and...

The overvaluation hypothesis (Miller 1977) predicts that a) stocks are overvalued in the presence of short selling restrictions and that b) the overvaluation increases in the degree of divergence of opinion. We design an experiment that allows us to test these predictions in the laboratory. The...

This paper reconsiders the effect of investor sentiment on stock prices. Using survey-based sentiment indicators from Germany and the US we confirm previous findings of predictability at intermediate time horizons. The main contribution of our paper is that we also analyze the immediate price...

Using a unique panel data set of private German firms over the period 2002 to 2013 we analyze the relation between managerial overconfidence and investment policy in small and medium-sized firms. We construct direct estimates of managerial overconfidence that are based on sales forecasts. We...

Risk-adjusted momentum returns are usually estimated by constructing momentum portfolios and then running a full-sample regression of their returns on a set of factors (portfolio-level risk adjustment). This approach implicitly assumes constant factor exposure of the momentum portfolio. However,...