How far away is Africa? Technological spillovers to agriculture and productivity

American Journal of Agricultural Economics

Volumn 82, Issue 3, 2000, Pages 743-749

  Johnson, Daniel K N ^a   Evenson, Robert E ^b  

^a WELLESLEY COLLEGE   (United States)

^b YALE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AGRICULTURAL PERFORMANCE; AGRICULTURAL TECHNOLOGY; PERFORMANCE ASSESSMENT; PRODUCTIVITY; TECHNOLOGICAL DEVELOPMENT;

AFRICA;

EID: 0033851932     PISSN: 00029092     EISSN: None     Source Type: Journal    
DOI: 10.1111/0002-9092.00073     Document Type: Article

References (7)

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3. Griliches, Z. R&D and Productivity: The Econometric Evidence. Chicago IL: University of Chicago Press, 1998.
4. Helpman, E. "Innovation, Imitation and Intellectual Property Rights." Econometrica 61(November 1993):1247-80.
5. Johnson, D., and R.E. Evenson. "Innovation and Invention in Canada." Econ. Syst. Res. 9(June 1997):177-92.
6. _. "R&D Spillovers to Agriculture: Measurement and Application." Contemp. Econ. Policy 17(October 1999):432-56.
7. Putnam, J. "The Value of International Patent Protection." PhD thesis, Yale University, 1996.