- Geoffrey Joyce, University of Southern California
- Read Time: 6 mins
More than eight out of every 10 prescriptions dispensed in the US is generic. This growth is due to a large number of top-selling drugs going off patent over the past decade, as well as innovations in the retail sector, such as Walmart’s US$4 generic program. Over this period, generic drug prices declined or held steady, saving American consumers tens of billions of dollars annually.