This paper analyzes a maximum price system and a reference price system in a vertical differentiation model with a brand-name drug and a generic. In particular, both instruments are compared with respect to their performance in reducing public expenditure, limiting financial exposure of...

This paper studies the effect of two regulatory instruments - a price cap and a reference price system - a mandatory substitution rule, and the combination of both on generic competition in a Salop-type model with an off-patent brand-name drug and n differentiated generic versions. The price cap...