Mahlich, Jörg C.; Roediger-Schluga, Thomas - United Nations University-Maastricht Economic Research … - 2006
During the past 20 years, the world pharmaceutical industry has experienced a dramatic increase in R&D intensity. We apply and extend a model developed by Grabowski and Vernon (2000) with a pooled data sample of the 15 publicly listed Japanese drug firms for the period 1987 to 1998. As in the...