We develop a simple model that describes individuals’ self-assessments oftheir abilities. We assume that individuals learn about their abilities from appraisalsof others and experience. Our model predicts that if communicationis imperfect, then (i) appraisals of others tend to be too positive,...

This paper studies how a three-layer hierarchical firm (principal-supervisor-agent) optimally creates effort norms for its employees. The key assumption is that effort norms are affected by the example of superiors. In equilibrium, norms are eroded as one moves down the hierarchy. The reason is...

Biased longevity expectations will lead to suboptimal decisions regarding saving, retirement, annuitization and health, with consequences for wellbeing in old age. Systematic differences in the accuracy of longevity expectations may partly explain heterogeneity in economic behaviour by education...

This discussion paper led to a publication in <A href="http://jhr.uwpress.org/content/46/4/875.short">'The Journal of Human Resources'</A>.<p>Anchoring vignettes are increasingly used to identify and correct heterogeneity in the reporting of health, work disability, life satisfaction, political efficacy, etc. with the aim of improving interpersonal...</p></a>

This discussion paper led to a publication in <A href="http://www.springerlink.com/content/n3w45lxj307m883m/">'Public Choice'</A> 109(3-4) 371-94.<P>In this paper we investigate experimentally the functioning of a wage tax financed unemployment benefit system on the development of the budget deficit, unemployment, and some other indicators of economic performance...</p></a>