Working Paper: NBER ID: w27264
Authors: Sangmin Aum; Sang Yoon; Tim Lee; Yongseok Shin
Abstract: Unlike most countries, Korea did not implement a lockdown in its battle against COVID-19, instead successfully relying on testing and contact tracing. Only one region, Daegu-Gyeongbuk (DG), had a significant number of infections, traced to a religious sect. This allows us to estimate the causal effect of the outbreak on the labor market using difference-in-differences. We find that a one per thousand increase in infections causes a 2 to 3 percent drop in local employment. Non-causal estimates of this coefficient from the US and UK, which implemented large-scale lockdowns, range from 5 to 6 percent, suggesting that at most half of the job losses in the US and UK can be attributed to lockdowns. We also find that employment losses caused by local outbreaks in the absence of lockdowns are (i) mainly due to reduced hiring by small establishments, (ii) concentrated in the accommodation/food, education, real estate, and transportation industries, and (iii) worst for the economically vulnerable workers who are less educated, young, in low-wage occupations, and on temporary contracts, even controlling for industry effects. All these patterns are similar to what we observe in the US and UK: The unequal effects of COVID-19 are the same with or without lockdowns. Our finding suggests that the lifting of lockdowns in the US and UK may lead to only modest recoveries in employment unless COVID-19 infection rates fall.
Keywords: COVID-19; Labor Market; Employment; Lockdowns; South Korea
JEL Codes: I14; I18; J21
Edges that are evidenced by causal inference methods are in orange, and the rest are in light blue.
| Cause | Effect |
|---|---|
| COVID-19 outbreaks in DG (Y10) | local employment decrease (J63) |
| one per thousand increase in COVID-19 infections (F62) | local employment decrease (J63) |
| COVID-19 infections (I14) | reduced hiring in small establishments (J23) |
| COVID-19 infections (I14) | job losses among economically vulnerable workers (J63) |
| lifting of lockdowns (P27) | modest recoveries in employment (J68) |