The Efficacy of Lockdown Against COVID-19: A Cross-Country Panel Analysis.
Vincenzo AlfanoSalvatore ErcolanoPublished in: Applied health economics and health policy (2020)
Results suggest that lockdown is effective in reducing the R0, i.e. the number of people infected by each infected person, and that, unlike what has been suggested in previous analyses, its efficacy continues to hold 20 days after the introduction of the policy.