This paper studies the interaction between epidemiological dynamics and the dynamics of economic activity in a simple model in the structuralist/post-Keynesian tradition. On the one hand, rising economic activity increases the contact rate and therefore the probability of exposure to a virus. On...

The effect of face masks on Covid-19 transmission is crucial for the health of populations. The effectiveness of face masks in reducing the transmission of Covid-19 varies across primary evidence. To perform a quantitative meta-analysis, we collected 258 estimates from 44 primary studies...