Abstract:We compare welfare-increasing and consumer-surplusincreasing merger policies in an oligopoly when merging firms face endogenous trade policies, and engage in cost-reducing R&D activity. As R&D becomes less efficient, the equilibrium market structures (EMS) become less concentrated under both merger policies. When R&D is very efficient, monopoly becomes the EMS under the welfare-increasing merger policy. This occurs as the absence of tariff and efficient R&D under monopoly limit the price increase and the gain … Show more
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