We conduct a framed field experiment with 245 employed persons (no students) as subjectsand a real tax, which is levied on the subjects’ income from working in our real effort task. Inour first three treatments, the net wage is constant but gross wages are subject to differentconstant marginal...

We conduct controlled experiments in order to analyze individual trading behavior. Our results suggest that investors measure their gains relative to their initial wealth, and that this reference point together with past stock price changes determine the portfolio choices. Subjects choose a...

The prospect theory of Kahneman and Tversky (1979) and the cumulative prospect theory of Tversky and Kahneman (1992) are descriptive models for decision making that summarize several violations of the expected utility theory. This paper gives a survey of applications of prospect theory to the...

The disposition effect is the observation that investors hold winning stocks too long and sell losing stocks too early. A standard explanation of the disposition effect refers to prospect theory and in particular to the asymmetric risk aversion according to which investors are risk averse when...

A deferred annuity typically includes an option-like right for thepolicyholder. At the end of the deferment period, he may either choose toreceive annuity payouts, calculated based on a mortality table agreed to atcontract inception, or receive the accumulated capital as a lump sum.Considering...

Empirical evidences show that investors tend to be biased toward investing indomestic (home bias) and local (local bias) stocks. Familiarity is considered to be one of thereasons. A similar concept was proposed by Goldstein and Gigerenzer (1999, 2002), known asthe recognition heuristic: “when...

Extensive field evidence shows individuals’ decisions in settings involving choiceunder uncertainty (e.g. savings and investment choices) depend on the decisions of their peers.One hypothesized cause of peer group effects is social interaction effects: an individual’s utilityfrom an action...

In enhanced annuities, the annuity payment depends on one's state ofhealth at some contracted date while in "standard annuities", it does not.The focus of this paper is on an annuity market where "standard" and en-hanced annuities are oered simultaneously. When all insured know equallywell on...

Ein Privatanleger strukturiert sein Finanzvermögen in Abhängigkeitseiner individuellen Risikoeinstellung sowie der Höhe und der Risikobehaftung seinesGesamtkapitals bestehend aus Finanz-, Human- und Sozialkapital. Da sich die einzelnenBestandteile des Gesamtkapitals über den Zeitablauf...

Much of the industrialized world is undergoing a significantdemographic shift, placing strain on public pension systems. Policymakers are responding with pension system reforms that put more weight on privately managed retirement funds. One concern with these changes is the effect on individual...