This paper revisits and extends the experiment on the solidarity gameby Selten and Ockenfels (1998). We replicate the basic design of the solidaritygame and extend it in order to test the robustness of the fixed totalsacrifice' effect and the applied strategy method. Our results only...

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

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

In this paper we relate individual risk attitude as elicited by binary lotteriesand certainty equivalents to market behavior. By analyzing 26 independentmarkets with a total of 280 participants we show that binary lottery choicesand certainty equivalents are poorly correlated. Only lottery...

This paper focuses on egocentric biases in financial decisions. Subjects first designa portfolio, whereby each combination of assets yields the same expected returnand variance of returns. They are then confronted with two alternative portfolios;the average portfolio and the portfolio of one’s...

Previous research indicates that risky and uncertain marginal returnsfrom the public good significantly lower contributions. This paper presentsexperimental results illustrating that the effects of risk and uncertainty dependon the employed parameterization. Specifically, if the value of the...

The measurement of social norms plays a pivotal role in many social sciences.While economists predominantly conduct experiments, sociologistsrather employ (factorial) surveys. Both methods, however, suer from distinctweaknesses. Experiments, on the one hand, often fall short in themeasurement of...

Die menschliche Art ist eine Spezies, die durch Einsatz von Institutionen undNormensystemen kollektive Güter (oder Übel) bereitzustellen vermag.1 Kollektive Güterbilden typischerweise Antworten auf Kollektivgut-Probleme. Eine besonders wichtige Klassesolcher Kollektivgut-Probleme entsteht im...

During the last three decades the ascent of behavioral economics clearly helped tobring down artificial disciplinary boundaries between psychology and economics.Noting that behavioral economics seems still under the spell of the rational choicetradition – and, indirectly, of behaviorism – we...

Which inequalities among individuals are considered unjust? This paper reportsthe results of an experiment designed to study distributive choices dealing with arbitrarilyunequal initial endowments. In a three-person distribution problem wheresubjects either know or do not know their endowments,...