We survey clients of a German online bank to study retail investors' beliefs about the autocorrelation of annual returns of the aggregate stock market, and the role of these beliefs in financial decisions. A majority of our respondents believe in mean reversion of aggregate returns, and these...

We survey retail investors at an online bank to study beliefs about the autocorrelation of aggregate stock returns, and how these beliefs shape investment decisions measured in administrative account data. Individuals' beliefs exhibit substantial heterogeneity and predict trading responses to...

We survey retail investors at an online bank to study beliefs about the autocorrelation of aggregate stock returns, and how these beliefs shape investment decisions measured in administrative account data. Individuals’ beliefs exhibit substantial heterogeneity and predict trading responses to...

We study the relationship between personal traits and trading outcomes in continuous double auction asset markets. There are mixed theoretical predictions about this relationship followed by similarly mixed empirical evidence. We examine the correlation of cognitive skills, willingness to...

We develop and test a framework of mental information representation in an asset market setting. The model predicts heterogeneous trading behavior as a consequence of two distinct mental capabilities: analytical skills and mentalizing, where the former involves quantitative, objective aspects of...

We experimentally investigate how price expectations are formed in a large asset market where subjects' only task is to forecast the future price of a risky asset. The realized prices depend on these expectations. We observe small (6 participants) and large markets (about 100 participants). In...

Overconfidence is one of the most important biases in financial markets and commonly associated with excessive trading and asset market bubbles. So far, most of the finance literature takes overconfidence as a given, "static" personality trait. In this paper we introduce a novel experimental...