economic growth(1) Difference-in-differences(1) impacts(1) caused(1) accelerate(1) COVID-19 pandemic(1) Internet(1) Electricity consumption(1) fluctuations(1) extreme(1) suffered(1) China(1) Support(1) measure(1) Prevent(1) events(1) dropped(1) virus(1) early stage(1) The real economic cost(1) electricity(1) develop(1) changed(1) COVID-19(1) COVID-19 outbreak(1) Government(1) declines(1) insight(1) magnitude(1) offset(1)