Flutterby™! : Cancer drug marketing doesn't reduce mortality

National Bureau of Economic Research: Nothing for Something: Marketing Cancer Drugs to Physicians Increases Prescribing Without Improving Mortality Colleen Carey, Michael Daly & Jing Li

...We find that prescribing of the associated drug increases 4\% in the twelve months after a payment is received, with the increase beginning sharply in the month of payment and fading out within a year. A marketing payment also leads physicians to begin treating cancer patients with lower expected mortality. While payments result in greater expenditure on cancer drugs, there are no associated improvements in patient mortality.