Goldman DP, Lakdawalla D, Michaud P-C, Zheng Y, Gailey A. Understanding the Economic Consequences of Shifting Trends in Population Health. Cambridge, MA: National Bureau of Economic Research; 2009. doi:10.3386/w15231.

Lakdawalla D, Goldman DP, Michaud P-C, et al. U.S. Pharmaceutical Policy In A Global Marketplace. Health Affairs. 2009;28(1):w138-w150. doi:10.1377/hlthaff.28.1.w138.