Sources, Procedures, and Microeconomic Effects of Innovation

Fabio Arcangeli, Paul David, Frank Engelman, Christopher Freeman, Massimo Moggi, Richard Nelson, Luigi Orsenigo, Nathan Rosenberg, Michele Salvati, G. N. von Tunzelman, two anonymous referees, and the participants at the meeting of the Committee on Distribution, Growth, and Technical Progress of the Italian National Research Council (CNR), Rome, November 16, 1985, have helped with various redraftings. A particularly grateful acknowledgment is for the insightful and patient help of Moses Abramovitz. This work has been undertaken at the Science Policy Research Unit (SPRU), University of Sussex, as part of the research program of the Designated Research Centre, sponsored by the Economic and Social Research Council (ESRC). Earlier support to the research that led to this paper by the Italian National Research Council (CNR) is also gratefully acknowledged. The statistical research has been undertaken with the assistance of Stephano Brioschi, Ilaria Fornari, and Giovannu Prennushi.