Before revision:  We find thatduring the 10 weeks after the lockdown in the United States, although the total research productivity increased by 35\%, female academics' productivity dropped by 13.9\% relative to that of male academics.
After revision:  We use a difference-in-differences approach leveraging the exogenous pandemic shock. Our results indicate that, in the 10 weeks after the lockdown in the United States, although the total research productivity increased by 35\%, female academics' productivity dropped by 13.9\% relative to that of male academics.