Theoretical reasoning shows that spatial effects of transport cost reductions may crucially depend on market structures in the tradables sector (degree of market power, strength of economies of scale, free or no free entry). The aim of this paper is to compare empirically the effects of...

Two-sided network effects in card payment systems are analysed under different market structures, e.g., competition, one-sided monopoly, bilateral monopoly and duopoly; with and without an interchange fee; for the so-called Baxter s case of non-strategic merchants. A partial ranking of market...

Politicians may pander to public opinion and may renounce undertaking beneficial long-term projects. To alleviate this problem, we introduce a triple mechanism involving political information markets, reelection threshold contracts, and democratic elections. An information market is used to...