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Name File Type Size Last Modified
  data 12/08/2020 03:09:PM
  data_analysis 01/22/2021 07:32:PM
  dofiles 01/22/2021 07:34:PM
read_me.pdf application/pdf 177.4 KB 09/13/2021 10:48:AM

Project Citation: 

Gendron-Carrier, Nicolas , Gonzalez-Navarro, Marco , Polloni, Stefano , and Turner, Matthew A. Data and Code for: Subways and Urban Air Pollution . Nashville, TN: American Economic Association [publisher], 2021. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2021-09-13. https://doi.org/10.3886/E126401V1

Project Description

Summary:  View help for Summary
The code and data in this repository generate the results of the paper “Subways and Urban Air Polution” by Gendron-Carrier, Gonzalez-Navarro, Polloni and Turner published in the American Economic Journal: Applied Economics.

The source satellite data from MODIS are quite large and are housed in a separate repository because of space constraints. They are available at https://doi.org/10.5281/zenodo.4317553.

The archive folder “dofiles” contains the code that organizes the MODIS data and matches it to other data sources. It results in the workhorse dataset "data/merge/analyze_me.dta"

The folder “data_analysis” contains the Stata dofiles that operate on “data/merge/analyze_me.dta” as well as archive folder “data/WHO_mortality” to generate tables and graphs presented in the paper.

Funding Sources:  View help for Funding Sources Social Sciences and Humanities Research Council (Canada) (224995); World Bank Trust Fund on Sustainable Urbanization; International Growth Center (IGC) (89337); UK Department for International Development; Connaught Fund; Ontario Work-Study Program

Scope of Project

Subject Terms:  View help for Subject Terms AOD; subways ; air pollution; aerosol optical depth; public transit
JEL Classification:  View help for JEL Classification
      L91 Transportation: General
      R10 General Regional Economics (includes Regional Data)
      R11 Regional Economic Activity: Growth, Development, Environmental Issues, and Changes
      R40 Transportation Economics: General
Geographic Coverage:  View help for Geographic Coverage Global
Time Period(s):  View help for Time Period(s) 2/1/2000 – 12/31/2017 (February 2000 to December 2017)
Collection Date(s):  View help for Collection Date(s) 2/1/2000 – 12/31/2017 ( February 2000 to December 2017)
Universe:  View help for Universe Cities that inaugurated a subway system between August 2001 and July of 2016.
Data Type(s):  View help for Data Type(s) geographic information system (GIS) data; observational data
Collection Notes:  View help for Collection Notes Data analysis is performed using Stata 15.


Methodology

Response Rate:  View help for Response Rate 100% due to observability of pollution from satellite data. 
Sampling:  View help for Sampling All cities that opened a subway in the relevant time period are included.
Data Source:  View help for Data Source
DESA Population Division, UN. 2018. "World urbanization prospects: the 2018 revision" url https://esa.un.org/unpd/wup/. Accessed: February 2020.

Feenstra, Robert, Robert Inklaar, and Marcel Timmer. 2015. "The next generation of the Penn World Table" American Economic Review, 105(10), 31503182. 
Available for download at www.ggdc.net/pwt Accessed: 2019-09-16.

Google. 2020. Google maps. https://www.google.com/maps. Accessed: February 2020

Gonzalez-Navarro, Marco and Matthew A Turner. 2018. "Subways and urban growth: Evidence from Earth" Journal of Urban Economics 108: 85–106. Available for download at: Gonzalez-Navarro, Marco and Matthew A Turner. 2019. Replication data for: "Subways and urban growth: Evidence from earth" url https://doi.org/10.7910/DVN/VHPRTA

Harris, I., P.D. Jones, T.J. Osborn, and D.H. Lister. 2014. "Updated high-resolution
grids of monthly climatic observations - the CRU TS3.26 dataset" International Journal of Climatology, 34(3), 623-642. Available for download at https://crudata.uea.ac.uk/cru/data/hrg/ Accessed: 20181028.

Levy, Rob, Christina Hsu, and al. 2015a. "MODIS atmosphere l2 aerosol product,
NASA MODIS adaptive processing system", Goddard space flight center, USA.
http://dx.doi.org/10.5067/MODIS/MYD04_L2.006. Accessed: November 2018.

Urbanrail. 2020. Urbanrail.net. http://urbanrail.net/. Accessed: February 2020.

Wentz, F., J. Scott, R. Hoffman, M. Leidner, R. Atlas, and J. Ardizzone. 2015. "Remote sensing systems cross-calibrated multiplatform (ccmp) 6-hourly ocean vector wind analysis product on 0.25 deg grid, version 2.0" Remote Sensing Systems, Santa Rosa, CA. Available online at www.remss.com/measurements/ccmp.
Accessed: 2019-10-28.

Wikipedia. 2020. Wikipedia. www.wikipedia.org. Accessed: February 2020.

World Health Organization. 2011. Urban outdoor air pollution database.
en/. Accessed: 2013-04-04.

World Health Organization. 2014. Ambient air pollution database.
en/. Accessed: 2015-11-10.

World Health Organization. 2016. Ambient air pollution database.
en/. Accessed: 2017-04-10.

Note: All WHO links are now broken but the source datasets are included in the replication archive in data/pollution/source/WHO/.


Collection Mode(s):  View help for Collection Mode(s) remote sensing; web scraping
Unit(s) of Observation:  View help for Unit(s) of Observation Metropolitan areas
Geographic Unit:  View help for Geographic Unit Metropolitan area

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