After opening up of the Interconnector, the liberalized UK natural gas market and the regulated Continental gas markets became physically integrated. The oil-linked Continental gas price became dominant, due to both the large volume of the Continental market and to the fact that the significant...

We apply and extend the cost-based approach to bundling and tying under competition developed in Evans and Salinger (2004a) to over-the-counter pain relievers and cold medicines. We document that consumers pay much less for tablets with multiple ingredients than they would to buy tablets with...

This paper analyzes how enforcement along the U.S.-Mexican border has affected the market for migrant smugglers. Using a unique dataset that links border crossing histories from illegal Mexican migrants to aggregate enforcement and punishment statistics, we find that the effect of enforcement on...

This paper provides a hedonic price analysis of mobile telephones for the German market. We have assembled data on 302 different handsets from 25 manufacturers over the period from May 1998 to November 2003. While volume has a negative effect on the price of a mobile handset, the number of...

Retail prices of major drugs like cocaine and heroin have declined dramatically during the last two decades. This price decline has tended to offset the effects of drug policies aimed at reducing drug use in major industrial countries. The main finding of this paper is that the decline in the...

Die starken Preissteigerungen für Benzin in den letzten 2 Jahren sind häufig auf mangelnden Wettbewerb zurückgeführt worden. Die These wird überprüft, indem die Wettbewerbsstruktur bei Tankstellen und deren Vorleistungsbeziehungen dargestellt werden und ökonometrische Schätzungen über...

As consumers' demand for organic products and especially organic food grows, organic certification for tropical fruit is increasingly promoted in many developing countries. Certified organic pineapple exports only started taking off after 2005 and are rapidly increasing. The organic and...