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- [2] EFFECTS OF GOVERNMENT R-AND-D ON PRIVATE R-AND-D INVESTMENT AND PRODUCTIVITY - A MACROECONOMIC ANALYSIS BELL JOURNAL OF ECONOMICS, 1983, 14 (02): : 551 - 561
- [8] IR-AND-D PROJECT DATA AND THEORIES OF R-AND-D INVESTMENT JOURNAL OF ECONOMIC DYNAMICS & CONTROL, 1989, 13 (02): : 271 - 282