This paper explores the meaning and implications of the desire by workers for impact. We find that this impact motive can make a firm in a competitive labor market face an upward-sloping supply curve of labor, lead workers with the same characteristics but at different firms to earn different...

Risk managers use portfolios to diversify away the unpriced risk of individual securities. In this article we compare the benefits of portfolio diversification for downside risk in case returns are normally distributed with the case of fat-tailed distributed returns. The downside risk of a...

This discussion paper resulted in an article in the <I>Journal of Health Economics</I>. Volume 31, issue 4, pages 676-689.<P> We propose a method of measuring and decomposing inequity in health care utilisation that allows for heterogeneity in the use-need relationship. This makes explicit inequity that...</p></i>

See also <I>Proceedings of Banca d' Italia Public Finance Workshop on "Rules and Institutions for Sound Fiscal Policy after the Crisis"</I> (pp. 443-475). Rome: Banca d'Italia.<P> and<P> 'From Budgetary Forecasts to Ex Post Fiscal Data: Exploring the Evolution of Fiscal Forecast Errors in the European Union'...</p></p></i>