Is real investment fully determined by fundamentals or is it sometimes affected by stock market misvaluation? We introduce three new tests that: measure the reaction of investment to sales shocks for firms that may be overvalued; use Fama-MacBeth regressions to determine whether overinvestment...

In this paper, a model of bounded rational investors investing their portfolio in a passive investment vehicle (e.g., an Exchange Traded Fund replicating a broad index) or an actively managed fund is presented. The model proposes that the quick reswitching of these short-term oriented investors...

Diese Untersuchung verfolgt mehrere Ziele. Es soll ein Beitrag geleistet werden zur Klärung folgender Fragen: Welches sind die konstituierenden Merkmale von Preisblasen? Läßt sich die Existenz von Preisblasen empirisch nachweisen? Lassen sich Preisblasen von anderen typischen Phasen der...

We investigate the effect of the tone of news on investor stock price expectations and beliefs. In an experimental study we ask subjects to estimate a future stock price for twelve real listed companies. As additional information we provide them with historical stock prices and extracts from...