This discussion paper led to an article in <I>Games and Economic Behavior</I> (2012), pp. 120-138.<P> We consider an oligopolistic market where firms compete in price and quality and where consumers are heterogeneous in knowledge: some consumers know both the prices and quality of the products offered,...</p></i>

Institutional barriers to entry were removed to a considerable extent in 1996 in the Dutch retail sector. Three years before that the regulator decided to not take legal actions anymore against entrants violating institutional requirements. In the current analysis we investigate the effects of...

This discussion paper resulted in a publication in the <A href="http://www.sciencedirect.com/science/article/pii/S0094119013000594"><I>Journal of Urban Economics</I></A>, 2014, 13-27.<P> This paper analyzes efficient pricing at a congested airport dominated by a single firm. Unlike much of the previous literature, we combine a dynamic (bottleneck) model of congestion and a vertical...</p></i></a>

The potential relationship between domestic environmental regulation and internationalcompetitiveness has evoked various speculations. The common neoclassical train of thought is thatstrict environmental regulation is detrimental to the competitiveness of industry, and that itinduces phenomena...

We empirically investigate the responsiveness of international trade to the stringency of environmental regulation. Stringent environmental regulation may impair the export competitiveness of ‘dirty’ domestic industries, and as a result, ‘pollution havens’ emerge in countries where...