Innovation indicators and corporate credit ratings: evidence from German firms
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- Zvi Griliches, 1984.
"Market Value, R&D, and Patents,"
NBER Chapters,in: R&D, Patents, and Productivity, pages 249-252
National Bureau of Economic Research, Inc.
- Griliches, Zvi, 1981. "Market value, R&D, and patents," Economics Letters, Elsevier, vol. 7(2), pages 183-187.
- Fisher, Franklin M & McGowan, John J, 1983. "On the Misuse of Accounting Rates of Return to Infer Monopoly Profits," American Economic Review, American Economic Association, vol. 73(1), pages 82-97, March. Full references (including those not matched with items on IDEAS)