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Quarterly Journal of Economics Vol. 137 No. 3 2022

Imports, Exports, and Earnings Inequality: Measures of Exposure and Estimates of Incidence

Rodrigo Adão1; Paul E. Carrillo2; Arnaud Costinot3; Dave Donaldson3; Dina Pomeranz4

1 University of Chicago Booth School of Business , United States · 2 George Washington University , United States · 3 Massachusetts Institute of Technology , United States · 4 University of Zurich , Switzerland

open access

Abstract

The earnings of individuals depend on the demand for the factor services they supply. International trade may therefore affect earnings inequality because either (i) foreign consumers and firms demand domestic factor services in different proportions than domestic consumers and firms do, an export channel; or (ii) domestic consumers and firms change their demand for domestic factor services in response to the availability of foreign goods, an import channel. Building on this idea, we develop new measures of export and import exposure at the individual level and provide estimates of their incidence across the earnings distribution. The key input fed into our empirical analysis is a unique administrative data set from Ecuador that merges firm-to-firm transaction data, employer-employee matched data, owner-firm matched data, and firm-level customs transaction records. We find that export exposure is pro-middle class, import exposure is pro-rich, and in terms of overall incidence, the import channel is the dominant force. As a result, earnings inequality in Ecuador is higher than it would be in the absence of trade.

DOI
10.1093/qje/qjac012
Volume
137
Issue
3
Pages
1553-1614
Language
en
Sources
bibtex:phds-export.bib openalex crossref

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