Author: Guojun He; Yuhang Pan; Takanao Tanaka
Title: COVID-19, City Lockdown, and Air Pollution: Evidence from China Document date: 2020_4_1
ID: if7av1x8_19
Snippet: In Panel B, we test the parallel trend assumption for cities in the control group using data in 2019 and 2020. (The corresponding regression results are reported in Appendix Table A5 .) The results suggest the air quality in 2019 could be a reasonable counterfactual for air quality in 2020 in the controlled cities; we find that their trends in air quality before the Chinese Spring Festival were also similar. The estimated coefficients after the.....
Document: In Panel B, we test the parallel trend assumption for cities in the control group using data in 2019 and 2020. (The corresponding regression results are reported in Appendix Table A5 .) The results suggest the air quality in 2019 could be a reasonable counterfactual for air quality in 2020 in the controlled cities; we find that their trends in air quality before the Chinese Spring Festival were also similar. The estimated coefficients after the festival show a All rights reserved. No reuse allowed without permission. the author/funder, who has granted medRxiv a license to display the preprint in perpetuity.
Search related documents:
Co phrase search for related documents- air quality and control group: 1, 2, 3, 4, 5, 6, 7, 8, 9
- air quality and control group city: 1
- air quality and corresponding regression: 1, 2
- air quality and trend assumption: 1, 2, 3
- air quality trend and control group: 1
- air quality trend and trend assumption: 1
- control city and corresponding regression: 1
- control city and trend assumption: 1
- control group and trend assumption: 1, 2
- corresponding regression and estimate coefficient: 1
- corresponding regression and trend assumption: 1
Co phrase search for related documents, hyperlinks ordered by date