The interpretation of the loss of utility as transport costs in address models of differentiation poses a methodological difficulty. Transport costs implicitly amounts to assume that there is a good neither included in the differentiated sector nor in the composite (numeraire) good of the...

Applying a standard model of endogenous quality choice to the case of multiple national markets (i.e., a developed and a less developed country), we consider the effect of an economic integration (i.e., a movement from segmented markets into a single integrated market through the removal of...

This discussion paper resulted in a publication in the <I>Journal of Economic Dynamics and Control</I> (2013), 37(12), 2729-2754.<P> Existing models of R&D are not easily reconciled with four observable aspects of R&D: initial technologies ('ideas') need to be developed further, only a minority of initial...</p></i>

The present paper provides a descriptive analysis of the second-degree price discrimination problem on a monopolistic two-sided market. By imposing a simple two-sided framework with two distinct types of agents on one of its market sides, it will be shown that under incomplete information, the...

Motivated by the failure of competition to emerge after the natural gas market in the Czech Republic was liberalized, I explore the impact of natural gas storage ownership and upstream competition on the downstream level. I extend standard Cournot models to understand current and likely future...