This paper investigates the effectiveness of an intervention that was targeted at a specific group of Dutch Social Assistance (SA) recipients with debt problems. With a large share of the income gains of work resumption were transferred to the creditors, these individuals experienced a strong a...

Empirical research suggests that - rather than improving incentives - exerting controlcan reduce workers' performance by eroding motivation. The present paper shows thatintention-based reciprocity can cause such motivational crowding-out if individuals differin their propensity for reciprocity...

In this paper, the concept of Income Satisfaction Inequality is operationalized on the basis of individual responses to an Income Satisfaction question posed in the German Socio-Economic Panel (GSOEP). Income satisfaction is the subjective analogue of the objective income concept and includes...

This discussion paper led to a publication in <A HREF="https://apps.webofknowledge.com/full_record.do?product=UA&search_mode=GeneralSearch&qid=1&SID=X2NBDLnsMJR3Goz6AkG&page=1&doc=7">'CESIFO ECONOMIC STUDIES'</A>, 2007, 53(1), 42-68.<P> After having been ignored for a long time by economists, happiness is becoming an object of serious research in 21st century economics. In Section 2 we sketch the present status of happiness economics....</p></a>

In this paper we study international river pollution problems. We introduce a model in which the agents (countries) located along a river derive benefit while causing pollution, but also incur environmental costs of experiencing pollution from all upstream agents. We find that total pollution in...

Most measures of vulnerability are a-theoretic and essentially static. In this paper we use a stochastic Ramsey model to find a household's optimal welfare and we measure vulnerability as the shortfall from the welfare attained if the household consumed permanently at the poverty line. The...

This discussion paper resulted in a publication in <I>Strategic Behavior and the Environment</I>, 2014, 4, 321-360.<P> We study multiple agents along a general river structure that is expressed by a geography matrix and who have access to limited local resources, quasi-linear preferences over water and...</p></i>

This discussion paper resulted in an article in the <I>Journal of Economic Psychology</I> (2003). Volume 24(1), pages 17-33.<P> Public action to prevent crime is often driven by concerns about public safety. But what generatesthose concerns ? ]s it crime, or something else ? Using survey data for Brazil,...</p></i>