Umut Akovali, Kamil Yilmaz, 10 December 2020

Balancing the trade-off between strict public health measures and economic activity has been the key concern for governments since the Covid-19 outbreak. This column studies Covid-19 infections and their connectedness across US states.  It finds that states with lax government policy and community mobility response had higher case growth trajectories and generated connectedness of Covid-19 cases to other states.  Further, states with Republican governors tend to have higher connectedness of Covid-19 cases among themselves and generate net connectedness to states with Democratic governors.

Jean-Paul Renne, Guillaume Roussellet, Gustavo Schwenkler, 26 November 2020

Could restrictions at the federal level have slowed the spread of COVID-19 in the US? This column addresses this question using a novel, multi-region epidemiological model that calculates the number of deaths that would have resulted from the federal government mirroring the policies of those states with the earliest and most rigorous restrictions. It finds that by late September 2020, more than two-thirds of the country’s COVID-19 deaths could have been prevented,highlighting the need for unified action from state and federal regulators.

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