Cockburn, Iain M. The diffusion of science driven drug discovery : organizational change in pharmaceutical research - Cambridge, Mass : National Bureau of Economic Research, 1999 - 52 Subjects--Topical Terms: DRUGS--RESEARCH--UNITED STATES--MANAGEMENT--ECONOMETRIC MODELSRESEARCH, INDUSTRIAL--UNITED STATES--MANAGEMENT--ECONOMETRIC MODELSPHARMACEUTICAL INDUSTRY--UNITED STATES--MANAGEMENT--ECONOMETRIC MODELSDIFFUSION OF INNOVATIONS--UNITED STATES--ECONOMETRIC MODELS LC Class. No.: HD9666.5 / C624D