We extend the existing literature on food taxes targeting obesity. We systematically incorporatethe implicit substitution between added sugars and solid fats into a comprehensive food demandsystem and evaluate the effect of taxes on sugars and fats. The approach conditions how foodand obesity...

While the empirical literature on smoking bans is extensive, little theory has been developed. This paper examines the welfare impact of smoking bans in an economy where smokers’ utility is reduced by a workplace/public place ban. The government has two instruments - increasing the price...