We establish four facts concerning competition among U.S. generic drug suppliers, using IQVIA's National Sales PerspectiveTM 2004Q4 – 2016Q3 data. We define a unique product market (“molform”), consisting of the combination of a molecule active ingredient and a route of administration...

The landmark Waxman-Hatch Act of 1984 represented a "grand compromise" legislation that sought to balance incentives for innovation by establishing finite periods of market exclusivity yet simultaneously providing access to lower cost generics expeditiously following patent expiration. Here we...