David, Paul A.; Hall, Bronwyn H.; Toole, Andrew A. - Department of Economics, Stanford University - 1999
September 1999 <p> Prepared for a special issue of Research Policy on technology policy issues, forthcoming in the year 2000 under the guest-editorship of Albert N. Link. <p> Is public R&D spending complementary and thus additional to private R&D spending, or does it substitute for and tend to crowd...</p></p>