The Global Tax Program Health Taxes Knowledge Note Series focuses on topics linked to implementation of health taxes, or excise taxes on tobacco, alcoholic drinks and sugar-sweetened beverages. The purpose of this series is to provide policy makers with an overview of relevant issues and...

This paper tests whether young and adult smokers have different time preferences, in particular with respect to time consistency. The recent introduction of Tobacco 21 law in the US were in part motivated by allegedly inconsistent time preferences of the young consumers. This research...

The reciprocal relationship between psychiatric and substance use disorders is well-known, yet it remains largely unknown whether mental health morbidity causally leads to addictive behaviours. This paper utilises a fixed effects instrumental variables model, which is identified by time-varying...