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Learning about a New Technology: Pineapple in Ghana

This paper investigates the role of social learning in the diffusion of a new agricultural technology in a developing country: Ghana. We use unique data on farmers' communication patterns to define each individual's information neighborhood, the set of others from whom he might learn. Our empirical strategy is to test whether farmers change their input decisions to align with those of their neighbors who were successful in previous periods. We present evidence that farmers adopt successful neighbors' practices, conditional on many potentially confounding factors including the physical proximity of plots, credit arrangements, clan membership, and soil characteristics.

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Paper provided by Yale - Economic Growth Center in its series Papers with number 817.

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Length: 49 pages
Date of creation: 2000
Date of revision:
Handle: RePEc:fth:yalegr:817
Contact details of provider: Postal: U.S.A.; YALE UNIVERSITY, ECONOMIC GROWTH CENTER, YALE STATION NEW-HAVEN CONNECTICUT 06520 U.S.A
Phone: (203) 432-3610
Fax: (203) 432-3898
Web page: http://www.econ.yale.edu/~egcenter/

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  1. Robert J. Barro, 1989. "Economic Growth in a Cross Section of Countries," NBER Working Papers 3120, National Bureau of Economic Research, Inc.
  2. Bolton, Patrick & Dewatripont, Mathias, 1994. "The Firm as a Communication Network," The Quarterly Journal of Economics, MIT Press, vol. 109(4), pages 809-39, November.
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  6. Yamauchi, Futoshi, 2005. "Social learning, neighborhood effects, and investment in human capital: Evidence from Green-Revolution India," FCND discussion papers 190, International Food Policy Research Institute (IFPRI).
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  8. Falk, Armin & Kosfeld, Michael, 2003. "It's All About Connections: Evidence on Network Formation," CEPR Discussion Papers 3970, C.E.P.R. Discussion Papers.
  9. Markus Goldstein & Christopher Udry, 2008. "The Profits of Power: Land Rights and Agricultural Investment in Ghana," Journal of Political Economy, University of Chicago Press, vol. 116(6), pages 981-1022, December.
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  14. Mattia Romani, 2003. "Love Thy Neighbour? Evidence from Ethnic Discrimination in Information Sharing within Villages in C�te d'Ivoire," Journal of African Economies, Centre for the Study of African Economies (CSAE), vol. 12(4), pages 533-563, December.
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  16. Manski, Charles F, 1993. "Identification of Endogenous Social Effects: The Reflection Problem," Review of Economic Studies, Wiley Blackwell, vol. 60(3), pages 531-42, July.
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  19. Birkhaeuser, D. & Everson, R. & Feder, G., 1989. "The Economic Impact Of Agriculture Extension: A Review," Papers 567, Yale - Economic Growth Center.
  20. Munshi, Kaivan & Myaux, Jacques, 2006. "Social norms and the fertility transition," Journal of Development Economics, Elsevier, vol. 80(1), pages 1-38, June.
  21. Jovanovic, Boyan & Nyarko, Yaw, 1996. "Learning by Doing and the Choice of Technology," Econometrica, Econometric Society, vol. 64(6), pages 1299-1310, November.
  22. Munshi, Kaivan, 2004. "Social learning in a heterogeneous population: technology diffusion in the Indian Green Revolution," Journal of Development Economics, Elsevier, vol. 73(1), pages 185-213, February.
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  25. Nick Feltovich, 2000. "Reinforcement-Based vs. Belief-Based Learning Models in Experimental Asymmetric-Information," Econometrica, Econometric Society, vol. 68(3), pages 605-642, May.
  26. Newey, Whitney K & West, Kenneth D, 1987. "A Simple, Positive Semi-definite, Heteroskedasticity and Autocorrelation Consistent Covariance Matrix," Econometrica, Econometric Society, vol. 55(3), pages 703-08, May.
  27. Feder, Gershon & Just, Richard E & Zilberman, David, 1985. "Adoption of Agricultural Innovations in Developing Countries: A Survey," Economic Development and Cultural Change, University of Chicago Press, vol. 33(2), pages 255-98, January.
  28. Fafchamps, Marcel & Minten, Bart, 1998. "Relationships and traders in Madagascar," MTID discussion papers 24, International Food Policy Research Institute (IFPRI).
  29. Evenson, Robert E. & Westphal, Larry E., 1995. "Technological change and technology strategy," Handbook of Development Economics, in: Hollis Chenery & T.N. Srinivasan (ed.), Handbook of Development Economics, edition 1, volume 3, chapter 37, pages 2209-2299 Elsevier.
  30. Lucas, Robert Jr., 1988. "On the mechanics of economic development," Journal of Monetary Economics, Elsevier, vol. 22(1), pages 3-42, July.
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  32. Patrick Bayer & Randi Hjalmarsson & David Pozen, 2009. "Building Criminal Capital behind Bars: Peer Effects in Juvenile Corrections-super-," The Quarterly Journal of Economics, MIT Press, vol. 124(1), pages 105-147, February.
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  36. Woittiez, Isolde & Kapteyn, Arie, 1998. "Social interactions and habit formation in a model of female labour supply," Journal of Public Economics, Elsevier, vol. 70(2), pages 185-205, November.
  37. Bindlish, Vishva & Evenson, Robert E, 1997. "The Impact of T&V Extension in Africa: The Experience of Kenya and Burkina Faso," World Bank Research Observer, World Bank Group, vol. 12(2), pages 183-201, August.
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  39. Tavneet Suri, 2006. "Selection and Comparative Advantage in Technology Adoption," Working Papers 944, Economic Growth Center, Yale University.
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