Sportwetten werden in Deutschland in der Marktordnung eines Veranstaltungsmonopolsder öffentlichen Hand vergleichbar den Lotterien reguliert. Das Monopol wurde vom Bundesverfassungsgerichtim März 2006 in der bisherigen Form als rechtlich unzulässiges Fiskalmonopol verworfen. Demnach ist...

This paper analyses how competition over rebates for customer loyalty across product lines affects firms` pricing and consumers generally. If buyers incur firm specific costs or have shop specific tastes then competitive loyalty discounts lower consumer surplus overall and raise profits - the...

We analyze market dynamics under Bertrand duopoly competition in industries with network effects and consumer switching costs. Consumers form installed bases, repeatedly buy the products, and differ with respect to their switching costs. Depending on the ratio of switching costs to network...

Firms protected by antidumping measures do not unequivocally benefit from them. Antidumpingprotection benefits non-exporters active on the protected market by raising their domestic sales, buthurts exporters of similar products as the protected ones. Export sales of protected firms fall byalmost...

We analyze the relationship between Antidumping (AD) Protection and the productivity ofEU domestic firms in import-competing industries. For this purpose we identify a panel ofdomestic firms between 1993 and 2003 that at some point during this period are affected byAD initiations. Using a...

We develop a dynamic duopoly model of R&D competition to improve the quality of a finalgood. The innovation process is sequential and cumulative, and takes place alongside productionin an infinite-horizon setting. In this context we study the R&D incentive impacts resultingfrom a “research...

We develop a model with one innovating northern firm and heterogeneous southernfirms that compete in a final product market. We assume southern firms differ in their intrinsiccosts and their ability to adapt technology and study southern incentives to protect intellectualproperty rights. We find...

The contributory infringement rule assesses liability to a third party that contributes tothe infringement of a patent. Not only are firms that directly infringe liable, those whoindirectly contribute are also liable. We investigate how this rule affects the creation of anetwork of members...

We develop a model with one innovating northern firm and several heterogeneousSouthern firms that compete in a final product market. We assume the southern firms differ intheir ability to adapt technology and use this heterogeneity to study the differing incentives ofsouthern governments to...

This paper seeks to understand the intriguing but only sparsely explored phenomenon of “leisure timeinvention,” where the main underlying idea for the new product or process occurs when the inventor isaway from the workplace. We add to previous research by focussing on the inventive...