Skip to main content
. 2021 Sep 4;77:101374. doi: 10.1016/j.asieco.2021.101374

Table A.2.

Summary of Samples.

Data Samples
Commuting flows data Daily bilateral flows of people in 250 municipalities across 17 provinces in South Korea from January 2019 to December 2020. Data produced by SK Telecom.
Air quality data Air Quality Index (AQI) for five air pollution measures: PM2.5, PM 10, NO2, CO, and SO2 from January 2019 to December 2020. Air quality data for this time frame was available for 191 out of 250 municipalities, so this is the number of municipalities we use in our regression analysis. Data collected from the World Air Quality Index.