Productivity, R&D, and the Data Constraint
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Volume (Year): 84 (1994)
Issue (Month): 1 (March)
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Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
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- Ashenfelter, Orley & Krueger, Alan B, 1994.
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- Freeman, Richard B. & Holzer, Harry J. (ed.), 1986. "The Black Youth Employment Crisis," National Bureau of Economic Research Books, University of Chicago Press, edition 0, number 9780226261645.
- Huffman, Wallace E. & Evenson, Robert E., 2006.
"Science for Agriculture: A Long Term Perspective,"
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12362, Iowa State University, Department of Economics.
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- Schankerman, Mark & Pakes, Ariel, 1986. "Estimates of the Value of Patent Rights in European Countries during the Post-1950 Period," Economic Journal, Royal Economic Society, vol. 96(384), pages 1052-76, December.
- Richard B. Freeman & Harry J. Holzer, 1986. "The Black Youth Employment Crisis," NBER Books, National Bureau of Economic Research, Inc, number free86-1, March.
- Fellner, William, 1970. "Trends in the Activities Generating Technological Progress," American Economic Review, American Economic Association, vol. 60(1), pages 1-29, March.
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