1. On the misuse of accounting rates of return to infer monopoly profits;Fisher;American Economic Review,1983
2. Econometric Analysis;Greene,2000
3. Market value, R&D and patents;Griliches;Economics Letters,1981
4. The Manufacturing Sector Master File: 1959–1987, Working Paper 3366;Hall,1990
5. Innovation and market value;Hall,2000