Vertical linkages accounts for a large proportion of the volume of intermediate inputs used in an industry. This paper analyses the role played by vertical linkages on the effects of trade liberalization on technology adoption and their consequences on average productivity and welfare in a trade model with heterogeneous fi rms. We fi nd that the strength of vertical linkages shapes the effects that trade liberalization produces on fi rms survival and technology upgrading decisions, having an impact on the average productivity of the economy and, ultimately, on welfare.
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