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>

We apply the theory of inequality in opportunity to measure inequity in mortality. Ourempirical work is based on a rich dataset for the Netherlands (1998-2007), linking informationabout mortality, health events and lifestyles. We show that distinguishing between differentchannels via which...

A committee makes a decision on a project on behalf of "the public." Members of the committee agree on the a priori value of the project, and hold additional private information about its consequences. They are experts who care about the value of the project and about being considered well...

Interest groups are introduced in a spatial model of electoral competition between two political parties. We show that the presence of these interest groups increases the winning set, which is the set of policy platforms for the challenger that will defeat the incumbent. Therefore interest...

This discussion paper resulted in a publication in <I>Social Networks</I> (2012). Vol. 34(4), pages 161-179.<P> This paper proposes a new measure for a group's ability to lead society to adopt their standard of behavior, which in particular takes account of the time the group takes to convince the whole...</p></i>

This discussion paper resulted in a publication in 'Public Choice', 151, 757-787. <P> Power is a core concept in the analysis and design of organizations. One of the problems with the extant literature on positional power in hierarchies is that it is mainly restricted to the analysis of power in...</p>