"Professional partnerships might facilitate matching between specialized professionals and heterogeneous consumers, particularly where matching across firms is limited by information, incentives or regulation. We examine the extent to which internally-differentiated medical groups promote...

"The average price of treating a colorectal cancer patient with chemotherapy increased from about $100 in 1993 to $36,000 in 2005, due largely to the approval and widespread use of five new drugs between 1996 and 2004. We examine whether the substantial increase in spending has been worth it....

"The NBER Bulletin on Aging and Health provides summaries of publications like this. You can sign up to receive the NBER Bulletin on Aging and Health by email. We empirically analyze the welfare effects of cross-firm bundling in the pharmaceutical industry. Physicians often treat patients with...