Impact of COVID-19 on Sales in Seoul’s Local and Developed Commercial Areas

This study analyzes sales changes in 1,009 local and 253 developed commercial areas in Seoul before and after COVID-19. Using K-means clustering and panel analysis, it identifies key factors affecting sales, including foodservice establishments, nighttime population, and COVID-19. Results show nighttime population positively influenced developed areas, while COVID-19 negatively impacted all clusters. The findings provide insights for policy support during economic downturns.