New estimates of pharmaceutical research and development spending by US-based firms from 1984 to 2003
Joseph Golec and
John A. Vernon Additional contact information Joseph Golec: Finance Department, School of Business, University of Connecticut, USA, Postal: Finance Department, School of Business, University of Connecticut, USA
John A. Vernon: Finance Department, School of Business, University of Connecticut, USA, Postal: Finance Department, School of Business, University of Connecticut, USA