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 reported in the media. To place these generic price increases into context …, we construct two chained Laspeyres consumer price indexes (CPIs), using the 2007-2016 IBM MarketScan Commercial Claims …

- the latter frequently approaching 100%. Whereas in 1994, the generic price index fell from 100 to 80 in the 12 months … following initial generic entry and by 24 months to 65, in 2009 the comparable generic price indexes are 68 and 27, respectively … Medicare Part D, the average price per prescription declined by 21.3% from 2006 to 2009, rather than increasing by 25-28% as …

Using a unique and comprehensive data source, we measure price changes for Microsoft's desktop personal computer … on price measurement of pre-packaged software by incorporating important channels of distribution, such as volume … suites, into matched-model price indexes. Although there are differences over time periods and across products, we find that …

relationship between price declines and volume increases upon LOE holds among these drugs. First, we examine the extent to which … utilization subsequent to LOE. We observe substantial price erosion after generic entry; average monthly price declines appear to …