number of licenses. Opening up the market for more firms has a two-fold effect: it increases competition and thus welfare … regulator hence faces a trade-off between raising beneficial competition and detrimental costs. If goods are sufficiently … competition. This result holds even in the absence of entry costs, search costs or increasing returns to scale, which previous …

This paper discusses the relation between trade and competition, revising the literature and using indicators, build … domestic competition is explained by concentration indices, such as CR4 and HHI, which show positive correlation with profit … evaluating trade and competition policies in the context of the Brazilian economy. …