This study offers the unique opportunity to analyze how an unprecedented crisis such as the September 11 tragedy in uences expected returns and volatility forecasts of individual investors. Via e-mail, we asked a randomly selected group of individual investors with accounts at a German online...

Empirical research documents that temporary trends in stock pricemovements exist. Moreover, riding a trend can be a profitable investment strategy. (...)

We suggest an experimental design that can help opening the black box of investor behavior by documenting a channel of how biases affect portfolio performance. We study two of the most important investor biases (overreaction and overconfidence), show how they are related, and analyze their...

Overconfidence is the most prevalent judgment bias. Several studies find that overconfidence can lead to suboptimal decisions on the part of investors, managers, or politicians. This chapter explains which effects are usually summarized as overconfidence, shows how to measure these effects, and...

We analyze the trading behavior of individual investors in option-like securities, namely bankissued warrants, and thus expand the growing literature of investors behavior to a new kind of securities. A unique data set from a large German discount broker gives us the opportunity to analyze the...

We study the degree of individual and aggregate market overreaction in a dynamic experimental auction market. In 13 sessions with overall 101 students we find overreaction to new information both in stock price forecasts and transaction prices. Interestingly, market forces do not seem to help in...

In this paper, we propose a measure of individual investor sentiment that is derived from the market for bank-issued warrants. Due to a unique warrant transaction data set from a large discount broker we are able to calculate a daily sentiment measure and test whether individual investor...

Empirical research documents that temporary trends in stock price movements exist so that riding a trend can be a profitable investment strategy. In this paper, we provide a thorough test of the trend recognition and forecasting ability of financial professionals who work in the trading room of...

In this study, we analyze whether volatility forecasts (judgmental confidence intervals) are influenced by the specific elicitation mode (i.e. whether forecasters have to state future price levels or directly future returns as upper and lower bounds). We present questionnaire responses of about...

Studies analyzing return expectations of financial market participants like fund managers, CFOs or individual investors are highly influential in academia and practice. Examples of such surveys in the U.S. are the Livingston Survey of the Federal Reserve Bank of Philadelphia, the Surveys of...