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In this article, daily electricity usage data for 34, 040 enterprises in Suzhou (China) were examined for economic activity associated with the response to COVID-19. Employing a difference-in-differences estimation model, we find that the manufacturing industry incurred the greatest negative effect while industries such as construction, information transfer, computer services and software, and health care and social work were positively impacted by COVID-19. Private firms suffered more than state-owned enterprises and foreign-owned firms, and smaller firms experienced an additional 30% decline compared to large-sized firms.
Gu et al. (Sat,) studied this question.