A number of market failures have been associated with R&D investments and significant amounts of public money have been spent on program to stimulate innovative activities. In this paper, we review some recent microeconometric studies evaluating effects of government sponsored commercial R&D. We...

This paper exemines the avilable U.S. data on academic R&D expenditures and the number of papers publiched and the number of citations to these papers as possible measures of "output" of this enterprises.

A number of market failures have been associated with R&D investments and significant amounts of public money have been spent on programs to stimulate innovative activities. In this paper, we review some recent microeconometric studies evaluating effects of government-sponsored commercial R&D....

We present a model of endogenous firm growth with R&D investment and stochastic innovation as the engines of growth. The model for firm growth is a partial equilibrium model drawing on the quality ladder models in the macro growth literature, but also on the literature on patent races and the...