Lichtenberg, Frank R. - 1988
Department's Independent R&O Data Bank, both to provide some stylized facts about R&O investment at the project level and to test … distributions and elasticities of cost with respect to time, by type of project (e.g. basic research, development), and discriminate … implication of the Grossman-Shapiro model, the rate of investment in a project tends to increase as the project approaches …