There is a growing number of studies that investigate the effect of trade liberalization on productivity and nearly all assume that trade policy is independently determined of productivity, hence it is exogenous. I show that this assumption is generally invalid both theoretically and...

In this paper we develop a spatial Cournot trade model with two unequally sized countries, using the geographical interpretation of the Hotelling line. We analyze the trade and welfare effects of international trade between these two countries. The welfare analysis indicates that in this...

Brazil is, today, the largest producer and exporter of sugar in the world, having as main competitors and price makers India and China. In the production of this commodity, there are the sugar mills and ethanol in the State of Sao Paulo. The disposal of the product is mainly done by road...

This dissertation examines the key prediction of trade models à la Dixit-Stiglitz for the EU-27. Precisely, we test if regional market accessibility determines regional income differences in the enlarged European Union. We propose an empirical strategy that overcomes weaknesses of existing...

Replaced with revised version of paper 08/06/10.

This dissertation studies the roles of comparative advantage, monopolistic competition, and firm-level heterogeneity in international trade.The first essay investigates cross-country and cross-industry variation in the fractions of exporters among domestic firms. The paper presents a model of an...

The purpose of the Thesis is to generalize a scheme of evaluation and to measure competitive ability of Private Company “Vilniaus duona” after the analysis of methodical – academic works on competitive environment. After applying the scheme, it was identified that the Company is...