Viruses are a major threat to human health, and - given that they spread through social interactions - represent a costly externality. This paper addresses three main issues: i) what are the unintended consequences of economic activity on the spread of infections? ii) how efficient are measures...

This paper evaluates the effect of smoking bans in public places on the exposure to tobacco smoke of non-smokers and contrasts it with the effect of excise taxes. Exploiting data on cotinine - a metabolite of nicotine - as well as state and time variation in anti-smoking policies across US...

This paper evaluates the effect of excise taxes and bans on smoking in public places on the exposure to tobacco smoke of non-smokers. We use a novel way of quantifying passive smoking: we use data on cotinine concentration a metabolite of nicotine measured in a large population of non-smokers...