Trade, firm selection, and innovation: the competition channel
Giammario Impullitti and
Omar Licandro ()
Discussion Papers from University of Nottingham, School of Economics
The availability of rich ?rm-level data has led researchers to uncover new evidence on the effects of trade liberalization. First, trade openness forces the least productive fi?rms to exit the market; secondly, it induces surviving fi?rms to increase their innovation efforts; thirdly, it increases the degree of product market competition. In this paper, we propose a model aimed at providing a coherent interpretation of these ?ndings, and use it to asses the role of fi?rm selection in shaping the aggregate welfare gains from trade. We introduce ?firm heterogeneity into an innovation-driven growth model where incumbent fi?rms operating in oligopolistic industries perform cost-reducing innovation. In this environment, trade liberalization leads to lower markups level and dispersion, tougher fi?rm selection, and more innovation. Calibrated to match US aggregate and fi?rm-level statistics, the model predicts that moving from a 13% variable trade costs to free trade increases the stationary annual rate of productivity growth from 1:19 to 1:29% and increases welfare by about 3% of steady state consumption. Selection accounts for about 1/4th of the overall growth increase and 2/5th of the welfare gains from trade.
Keywords: International Trade; Heterogeneous Firms; Oligopoly; Innovation; Endogenous Markups; Welfare; Competition. JEL codes: F12; F13; O31; O41 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-bec, nep-com, nep-dge, nep-ino, nep-int, nep-knm and nep-tid
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Journal Article: Trade, Firm Selection and Innovation: The Competition Channel (2018)
Working Paper: Trade, firm selection, and innovation: the competition channel (2016)
Working Paper: Trade, Firm selection, and innovation: the competition channel (2010)
Working Paper: Trade, Firm Selection, and Innovation: the Competition Channel (2010)
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Persistent link: https://EconPapers.repec.org/RePEc:not:notecp:13/04
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