How effective has been the Spanish lockdown to battle COVID-19? A spatial analysis of the coronavirus propagation across provinces

This paper assesses the effectiveness of the Spanish lockdown of population on March 14th to battle the COVID-19 propagation, as well as the effect of bringing forward the date of this public intervention. We test not only whether the lockdown (and other control measures) has prevented local contagion of the virus, but also whether it has prevented the inter-province spread of COVID-19.