During the 1980s the share of prescriptions sold by retail pharmacies that was accounted for by generic products roughly doubled. The price response to generic entry of brand-name products has been a source of controversy. In this paper we estimate models of price responses to generic entry in...

We examine six molecules facing initial loss of US exclusivity (LOE, from patent expiration or challenges) between June 2009 and May 2013 that were among the 50 most prescribed molecules in May 2013. We examine prices per day of therapy (from the perspective of average revenue received by retail...

Generic drug prices have been the focus of much attention in recent years, with Congressional committees, executive agencies and private organizations all conducting investigations into the pricing patterns for generic drugs. Price spikes for selected old, off-patent drugs have also been widely...

Generic drug prices have been the focus of much attention in recent years, with Congressional committees, executive agencies and private organizations all conducting investigations into the pricing patterns for generic drugs. Price spikes for selected old, off-patent drugs have also been widely...

We examine six molecules facing initial loss of US exclusivity (LOE, from patent expiration or challenges) between June 2009 and May 2013 that were among the 50 most prescribed molecules in May 2013. We examine prices per day of therapy (from the perspective of average revenue received by retail...