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Agglomeration Spillovers and Persistence: New Evidence from Large Plant Openings

June 2022

Working Paper Number:

CES-22-21

Abstract

We use confidential Census microdata to compare outcomes for plants in counties that 'win' a new plant to plants in similar counties that did not to receive the new plant, providing empirical evidence on the economic theories used to justify local industrial policies. We find little evidence that the average highly incentivized large plant generates significant productivity spillovers. Our semiparametric estimates of the overall local agglomeration function indicate that residual TFP is linear for the range of 'agglomeration' densities most frequently observed, suggesting local economic shocks do not push local economies to a new higher equilibrium. Examining changes twenty years after the new plant entrant, we find some evidence of persistent, positive increases in winning county-manufacturing shares that are not driven by establishment births.

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econometrically, estimating, endogeneity, econometric, market, disclosure, estimates production, growth, earnings, productivity estimates, regional, metropolitan, rural, country, agriculture, observed productivity, economically, spillover, plant productivity, regional economic, geographically, gdp, productivity shocks, externality, local economic

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Bureau of Labor Statistics, Standard Statistical Establishment List, Standard Industrial Classification, Census of Manufactures, Annual Survey of Manufactures, Total Factor Productivity, Bureau of Economic Analysis, Financial, Insurance and Real Estate Industries, Longitudinal Business Database, Department of Economics, Research Data Center, North American Industry Classification System, Ohio State University, Census Bureau Disclosure Review Board, Disclosure Review Board, Federal Statistical Research Data Center

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