@. Bowles, S. Gintis, and H. , Social Capital And Community Governance*, The Economic Journal, vol.51, issue.1, pp.419-436, 2002.
DOI : 10.1126/science.277.5328.918

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.24.2743

@. Conley, T. Udry, and C. , Social Learning Through Networks: The Adoption of New Agricultural Technologies in Ghana, American Journal of Agricultural Economics, vol.83, issue.3, pp.668-73, 2001.
DOI : 10.1111/0002-9092.00188

@. Durlauf, S. N. Fafchamps, and M. , Social capital Handbook of Economic Growth, 2005.

@. Fehr and E. , On The Economics and Biology of Trust, Journal of the European Economic Association, vol.7, issue.2-3, pp.235-66, 2009.
DOI : 10.1162/JEEA.2009.7.2-3.235

@. Guiso, L. Sapienza, P. Zingales, and L. , Civic capital as the missing link, Handbook of Social Economics, 2011.
DOI : 10.1016/b978-0-444-53187-2.00010-3

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.366.7474

@. Granovetter and M. S. , The Strength of Weak Ties, American Journal of Sociology, vol.78, issue.6, pp.1360-80, 1973.
DOI : 10.1086/225469

J. @bullet-alston, T. J. Wyatt, P. Pardey, M. Marra, and C. Chan-kang, A meta-analysis of rates of return to agricultural R&D, IFPRI Research Report, 2000.

J. @bullet-anderson and G. Feder, Agricultural extension Agricultural Development: Farmers, Farm Production, and Farm Markets, Handbook of Agricultural Economics, 2007.

J. @bullet-anderson, G. Feder, and S. Ganguly, The Rise and Fall of Training and Visit Extension: An Asian Mini-drama with an African Epilogue, World Bank Policy Research Working Paper 3928, Agriculture and Rural Development Department, the World Bank, 2006.

@. Banerjee, A. Chassang, S. Snowberg, and E. , Decision theoretic approaches to experiment design and external validity Handbook of Field Experiments, forthcoming (J-PAL website), 2016.

@. Emerick and K. , Identifying early adopters, enhancing learning, and the diffusion of agricultural technology Working paper, 2016.

@. Feder and G. , THE IMPACT OF AGRICULTURAL EXTENSION: THE TRAINING AND VISIT SYSTEM IN INDIA, The World Bank Research Observer, vol.1, issue.2, pp.139-161, 1986.
DOI : 10.1093/wbro/1.2.139

@. Evenson, R. Fuglie, and K. , Technology capital: the price of admission to the growth club, Journal of Productivity Analysis, vol.43, issue.2, pp.173-190, 2010.
DOI : 10.1007/s11123-009-0149-3

@. Ferroni, M. Zhou, and Y. , Achievements and Challenges in Agricultural Extension in India, Global Journal of Emerging Market Economies, vol.22, issue.2, pp.319-346, 2012.
DOI : 10.1177/0974910112460435

@. Gautam and M. , Agricultural Extension: The Kenya Experience: An Impact Evaluation Commodity Working Papers, p.83, 2000.
DOI : 10.1596/0-8213-4758-6

@. Glendenning, C. J. Babu, S. Asenso-okyere, and K. , Review of agricultural extension in India: Are farmers' needs being met, 2010.

D. @bullet-gollin and K. Jack, Chapter 73 Agricultural Productivity and Economic Growth, Agricultural Technology Adoption Initiative, J-PAL (MIT) and CEGA, pp.3825-3866, 2010.
DOI : 10.1016/S1574-0072(09)04073-0

D. @bullet-lagakos and M. Waugh, Selection, Agriculture, and Cross-Country Productivity Differences, American Economic Review, vol.103, issue.2, pp.948-980, 2013.
DOI : 10.1257/aer.103.2.948

D. @bullet-restuccia, T. Yang, D. Zhu, and X. , Agriculture and aggregate productivity: A quantitative cross-country analysis, Journal of Monetary Economics, vol.55, issue.2, pp.234-250, 2008.
DOI : 10.1016/j.jmoneco.2007.11.006

@. Rogers and E. , Diffusion of Innovations, 2003.

@. Sadoulet and E. , Learning models, FERDI workshop on Learning for Adopting, 2016.

@. Swanson, B. Davis, and K. , Status of agricultural extension and rural advisory services worldwide, Global Forum for Rural Advisory Services (GFRAS), 2014.

@. Waddington, H. White, and H. , Farmer field schools: From agricultural extension to adult education, International Initiative for Impact Evaluation, 2014.
DOI : 10.23846/srs001ffs

. @bullet-world and . Bank, Agriculture for Development: World Development Report, 2006.

@. Wolf, S. Just, D. Zilberman, and D. , Between data and decisions: the organization of agricultural economic information systems, Research Policy, vol.30, issue.1, pp.121-141, 2001.
DOI : 10.1016/S0048-7333(99)00096-7

@. Rogers, E. Simon, . Schuster, @. References, P. S. Babcock et al., Diffusion of Innovations Networks and Workouts: Treatment Size and Status Specific Peer Effects in a Randomized Field Experiment Working Paper 16581, National Bureau of Economic Research, 2003.

@. Cai, J. De-janvry, A. Sadoulet, and E. , Social Networks and the Decision to Insure, American Economic Journal: Applied Economics, vol.7, issue.2, pp.81-108, 2015.
DOI : 10.1257/app.20130442

URL : https://mpra.ub.uni-muenchen.de/46861/1/MPRA_paper_46861.pdf

@. Carter, M. R. Laajaj, R. Yang, and D. , Subsidies and the Persistence of Technology Adoption: Field Experimental Evidence from Mozambique, Working Paper National Bureau of Economic Research, 2014.
DOI : 10.3386/w20465

@. Ligon, E. Sadoulet, and E. , Estimating the Effects of Aggregate Agricultural Growth on the Distribution of Expenditures Background Paper, 2008.

@. Magnan, N. Spielman, D. J. Lybbert, T. J. Gulati, and K. , Leveling with friends: Social networks and Indian farmers' demand for a technology with heterogeneous benefits, Journal of Development Economics, vol.116, pp.223-251, 2015.
DOI : 10.1016/j.jdeveco.2015.05.003

@. Manski and C. F. , Dynamic choice in social settings, Journal of Econometrics, vol.58, issue.1-2, pp.121-157, 1993.
DOI : 10.1016/0304-4076(93)90115-L

. @bullet-world and . Bank, Agriculture for Development, World Development Report, 2008.

@. Foster, A. Rosenzweig, and M. , Microeconomics of Technology Adoption, Annual Review of Economics, vol.2, issue.1, pp.395-424, 2010.
DOI : 10.1146/annurev.economics.102308.124433

URL : http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3876794

@. Corral, C. Giné, X. Mahajan, A. Seira, and E. I. Progress, Improving Yields in Mexico