We analyze a model with two software firms, quality improving coding expenditures and potential competition. The firms can publish parts of their software as open source. Publishing software implies positive spillovers and thus reduces the firms' coding costs. On the other hand there exist two...

We discuss economic rationales behind peering decisions in the Internet. In We discuss economic rationales behind peering decisions in the Internet. In the first part of the paper we analyze the decision about a bilateral peering agreement between two commercial Internet service providers (ISPs)...

Eine Betrachtung des konjunkturellen Verhaltens der Ausrüstungsinvestitionen in Westdeutschland von 1960 bis 1993 zeigt, dass der Dienstleistungssektor 1960 nur für gut ein Viertel der Ausrüstungsinvestitionen verantwortlich zeichnete, 1993 aber schon für mehr als die Hälfte. Stark...

Eine Betrachtung des konjunkturellen Verhaltens der Ausrüstungsinvestitionen in Westdeutschland von 1960 bis 1993 zeigt, dass der Dienstleistungssektor 1960 nur für gut ein Viertel der Ausrüstungsinvestitionen verantwortlich zeichnete, 1993 aber schon für mehr als die Hälfte. Stark...

This paper studies possible consequences from building an "information highway" for the location of firms and households in the context of a two-region, three-good model of economic geography. The advancements in information and communication technology are identified with a decrease in...

In this paper I present a simple model of technology adoption in agriculture in an exogenous as well as in an endogenous adoption framework. The model implies that an optimal technological gap between technological leaders and followers will persist. Full convergence or catch-up will never take...

I discuss the dynamics of growth and structural change in a two- sector dual economy characterized by a positive relationship between nutrition and productivity. A rise in agricultural production increases food consumption as well as labor productivity. The different outcomes are discussed when...