Overconfidence is used to explain various instances of detrimental decision making. In behavioral economic and finance models, it is usually captured by misperceiving the reliability of signals and results in overweighting private information. Empirical tests of these models often fail to find...

This paper studies the effect of introducing costly partner selection for the voluntary contribution to a public good. Subjects participate in six sequences of five rounds of a two-person public good game in partner design. At the end of each sequence, subjects can select a new partner out of...

This paper studies the e_ect of introducing costly partner selection for the voluntary contribution to a public good. Subjects participate in six sequences of five rounds of a two-person public good game in partner design. At the end of each sequence subjects can select a new partner out of six...

In this paperwe relate individual risk attitude as elicited by binary lotteries and certainty equivalents to market behavior. By analyzing 26 independent markets with a total of 280 participants we show that binary lottery choices and certainty equivalents are pootly correlated. Only lottery...

This paper investigates factors influencing individual portfolio allocations with particular focus on the role of illusion of control. By forming their portfolio of two risky lotteries and one risk-less alternative, subjects are requested to reach a target investment profit, whereby equal...

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....

Overall, 72 subjects invest their endowment in four risky assets. Each com-bination of assets yields the same expected return and variance of returns. Illusion of expertise prevails when one prefers nevertheless the self-selected portfolio. After being randomly assigned to groups of four...

An empirically well-established finding is that equity portfolios are concentrated in the domestic equity market of the investor. Previous theoretical and empirical analyses have mainly focused on institutional explanations and largely neglected individual behavior. In this study we report the...

The paper explores the applicability of bounded rationality theory. In particular, we investigate whether basic principles of aspiration formation and satisficing behavior are transferable between similar situations. Individuals are sequentially confronted with two risky investment tasks, a...