Market Size, Trade, and Productivity

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Market Size, Trade, and Productivity

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Title: Market Size, Trade, and Productivity
Author: Ottaviano, Gianmarco; Melitz, Marc

Note: Order does not necessarily reflect citation order of authors.

Citation: Melitz, Marc J., and Gianmarco I. P. Ottaviano. 2008. Market size, trade, and productivity. Review of Economic Studies 75, no. 1: 295-316.
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Abstract: We develop a monopolistically competitive model of trade with firm heterogeneity—in terms of productivity differences—and endogenous differences in the "toughness" of competition across markets—in terms of the number and average productivity of competing firms. We analyse how these features vary across markets of different size that are not perfectly integrated through trade; we then study the effects of different trade liberalization policies. In our model, market size and trade affect the toughness of competition, which then feeds back into the selection of heterogeneous producers and exporters in that market. Aggregate productivity and average mark-ups thus respond to both the size of a market and the extent of its integration through trade (larger, more integrated markets exhibit higher productivity and lower mark-ups). Our model remains highly tractable, even when extended to a general framework with multiple asymmetric countries integrated to different extents through asymmetric trade costs. We believe this provides a useful modelling framework that is particularly well suited to the analysis of trade and regional integration policy scenarios in an environment with heterogeneous firms and endogenous mark-ups.
Published Version: http://dx.doi.org/10.1111/j.1467-937X.2007.00463.x
Other Sources: http://www.nber.org/papers/w11393
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:3229096
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