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Corrigendum: Particulate Pollution and the Productivity of Pear Packers†

Corrigendum: Particulate Pollution and the Productivity of Pear Packers† American Economic Journal: Economic Policy 2019, 11(3): 454–456 https://doi.org/10.1257/pol.11.3.454 Corrigendum: Particulate Pollution and the Productivity of Pear Packers By Tom Chang, Joshua S. Graff Zivin, Tal Gross, and Matthew J. Neidell* ur 2016 paper published in the American Econmomic Journal: Economic Policy 8 (3): 141–69 involved an analysis of daily productivity records merged to six-day measures of pollution. We have since discovered that our understanding We thought that the - par of how that pollution data was collected was incorrect. ticulate matter (PM) measures were average daily measures based on a cumulative , but the data actually consist of a 24-hour measure taken 6-day measure of PM 2.5 once every 6 days. As a result, we have re-estimated all of the regressions from our 2016 paper after restricting our sample to actual measurement days. The corrected version of the paper’s primary results (Table 3 in the original paper) are presented below in The results from the linear specifications (columns 1, 2, 5, and 6) are Table 3C. reduces labor larger in magnitude with the same qualitative interpretation: PM 2.5 productivity. The increase in the coefficient of interest is consistent with reduced measurement error introduced by our misunderstanding of the http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Economic Journal: Economic Policy American Economic Association

Corrigendum: Particulate Pollution and the Productivity of Pear Packers†

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Publisher
American Economic Association
Copyright
Copyright © 2019 © American Economic Association
ISSN
1945-7731
DOI
10.1257/pol.11.3.454
Publisher site
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Abstract

American Economic Journal: Economic Policy 2019, 11(3): 454–456 https://doi.org/10.1257/pol.11.3.454 Corrigendum: Particulate Pollution and the Productivity of Pear Packers By Tom Chang, Joshua S. Graff Zivin, Tal Gross, and Matthew J. Neidell* ur 2016 paper published in the American Econmomic Journal: Economic Policy 8 (3): 141–69 involved an analysis of daily productivity records merged to six-day measures of pollution. We have since discovered that our understanding We thought that the - par of how that pollution data was collected was incorrect. ticulate matter (PM) measures were average daily measures based on a cumulative , but the data actually consist of a 24-hour measure taken 6-day measure of PM 2.5 once every 6 days. As a result, we have re-estimated all of the regressions from our 2016 paper after restricting our sample to actual measurement days. The corrected version of the paper’s primary results (Table 3 in the original paper) are presented below in The results from the linear specifications (columns 1, 2, 5, and 6) are Table 3C. reduces labor larger in magnitude with the same qualitative interpretation: PM 2.5 productivity. The increase in the coefficient of interest is consistent with reduced measurement error introduced by our misunderstanding of the

Journal

American Economic Journal: Economic Policy – American Economic Association

Published: Aug 1, 2019

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