We develop a theory of economic disintegration that features both endogenously formed tax and trade policies. We show very generally that the economic disintegration of a country from an economic union leads to a deeper integration of international trade institutions. Moreover, we set up a...

According to static models of industrial organization, a rise in competition decreases prices. In this paper, I test whether this conclusion can be reversed in the mobile telecommunications markets where dynamic efficiency effects might be significant. The empirical test relies on the change in...

This paper models competition between two firms, which provide broadband In-ternet access in regional markets with different population densities. The firms, an incumbent and an entrant, differ in two ways. First, consumers bear costs when switching to the entrant. Second, the entrant faces a...

Product bundling may benefit or harm consumers dependingon the correlation betweenconsumer willingness to pay for the bundledgoods and the levels of market dominance of firms. We develop astructural demand model that allows for correlatedconsumer's willingness to pay and flexible...

Modeling a micro-structure of agglomeration economies, this article derives a second-best benefit evaluation formula for urban transportation improvements. Without explicitly modeling the sources of agglomeration economies, Venables (JTEP 2007) investigated the same problem. This article...