- Belsley, D.A. 1991. Conditioning Diagnostics, Collinearity and Weak Data in Regression. New York: John Wiley & Sons.
Paper not yet in RePEc: Add citation now
- Belsley, D.A., E. Kuh, and R.E. Welsch. 1980. Regression Diagnostics: Indentifying Influential Data and Sources of Collinearity. New York: John Wiley & Sons.
Paper not yet in RePEc: Add citation now
- Bruijnzeel, L.A. 2004. “Hydrological functions of moist tropical forests: Not seeing the soil for the trees?” Agriculture, Ecosystems and Environments, 104(1), pp.185-228.
Paper not yet in RePEc: Add citation now
- Dagang, A.B.K., and P.K.R. Nair. 2003. “Silvopastoral research and adoption in Central America: Recent findings and recommendations for future directions.”Agroforestry Systems, 59(2), pp.149–155.
Paper not yet in RePEc: Add citation now
- Dennis, P., L. Shellard, and R. Agnew. 1996. “Shifts in arthropod species assemblages in relation to silvopastoral establishment in upland pastures.” Agroforestry Forum 7, pp.14-21.
Paper not yet in RePEc: Add citation now
Engel, S., S. Pagiola, and S. Wunder. 2008. “Designing payments for environmental services in theory and practice: An overview of the issues.” Ecological Economics, 65(4), pp.663-674.
Ervin, C.A., and D.E. Ervin. 1982. “Factors affecting the use of soil conservation practices: Hypothesis, evidence, and policy implications.” Land Economics, 58(3), pp.278-292.
Feder, G., R.E. Just, and D. Zilberman. 1985. “Adoption of agricultural innovations in developing countries: A survey.” Economic Development and Cultural Change, 33(2), pp.255-295.
- Ferraro, P.J., and S.K. Pattanayak. 2006. “Money for nothing? A call for empirical evaluation of biodiversity conservation investments.” PLoS Biology, 4(4), pp.482-488.
Paper not yet in RePEc: Add citation now
- Fisher, M.J., I.M. Rao. M.A. Ayarza, C.E. Lascano, J.I. Sanz, R.J. Thomas, and R.R. Vera. 1994. “Carbon storage by introduced deep-rooted grasses in the South American savannas.” Nature, 371, pp.236-238.
Paper not yet in RePEc: Add citation now
- Gobbi, J. 2002. “Enfoques silvopastoriles integrados para el manejo de ecosistemas en Colombia, Costa Rica y Nicaragua: Análisis económico-financiero ex-ante de la inversión en los SSP propuestos para cada paÃs.” Turrialba, Costa Rica: CATIE.
Paper not yet in RePEc: Add citation now
- Greene, W.H. 2000. Econometric Analysis. 4th ed. Upper Saddle River: Prentice Hall.
Paper not yet in RePEc: Add citation now
- Harvey, C., and W. Haber. 1999. “Remnant trees and the conservation of biodiversity in Costa Rican pastures.” Agroforestry Systems, 44(1), pp.37-68.
Paper not yet in RePEc: Add citation now
- López, R., and A. Valdés. 2000. Rural poverty in Latin America. New York: St. Martins Press.
Paper not yet in RePEc: Add citation now
- Mercer, D.E. 2004. “Adoption of agroforestry innovations in the tropics: A review.” Agroforestry Systems, 61(1), pp.311-328.
Paper not yet in RePEc: Add citation now
- Miranda, M., I.T. Porras, and M.L. Moreno. 2003. “The social impacts of payments for environmental services in Costa Rica: A quantitative field survey and analysis of the Virilla watershed.” Markets for Environmental Services Paper No.1. London: IIED.
Paper not yet in RePEc: Add citation now
- Mittelhammer, R.C., G.G. Judge, and D.J. Miller. 2000. Econometric Foundations. New York: Cambridge University Press.
Paper not yet in RePEc: Add citation now
- Muñoz, C., A. Guevara, J.M. Bulás, J.M. Torres, and J. Braña. 2006. “Los pagos por los servicios hidrológicos del bosque en México.” In: S. Pagiola, J. Bishop, and N. Landell-Mills, eds., La Venta de Servicios Ambientales Forestales. 2nd edition. México: Instituto Nacional de EcologÃa.
Paper not yet in RePEc: Add citation now
Nkonya, E., T. Schroeder, and D. Norman. 1997. “Factors affecting adoption of improved maize seed and fertiliser in Northern Tanzania.” Journal of Agricultural Economics, 48, pp.1-12.
- Nowak, P.J. 1987. “The adoption of agricultural conservation technologies: Economic and diffusion explanations.” Rural Sociology, 52, pp.208-220.
Paper not yet in RePEc: Add citation now
- Ortiz Malavasi, R., L.F. Sage Mora, and C. Borge Carvajal. 2002. “Impacto del Programa de Pago por Servicios Ambientales en Costa Rica como medio de reducción de pobreza en los medios rurales.” San José: RUTA.
Paper not yet in RePEc: Add citation now
Pagiola, S. 2008. “Payments for environmental services in Costa Rica.” Ecological Economics, 65(4), pp.712-724.
Pagiola, S., A. Arcenas, and G. Platais. 2005. “Can payments for environmental services help reduce poverty? An exploration of the issues and the evidence to date from Latin America.” World Development, 33(2), pp.237-253.
Pagiola, S., A. Rios, and A. Arcenas. 2007b. “Poor household participation in payments for environmental services: Lessons from the Silvopastoral Project in QuindÃo, Colombia.” Washington: World Bank.
Pagiola, S., A. Rios, and A. Arcenas. 2008. “Can the poor participate in payments for environmental services? Lessons from the Silvopastoral Project in Nicaragua.” Environment and Development Economics, 13(3), pp.299–325.
- Pagiola, S., and A. Colom. 2006. “Will payments for watershed services help reduce poverty? Evidence from Guatemala.” Washington: World Bank.
Paper not yet in RePEc: Add citation now
- Pagiola, S., and G. Platais. 2007. Payments for environmental services: From theory to practice. Washington: World Bank.
Paper not yet in RePEc: Add citation now
Pagiola, S., E. RamÃrez, J. Gobbi, C. de Haan, M. Ibrahim, E. Murgueitio, and J.P. RuÃz. 2007a. “Paying for the environmental services of silvopastoral practices in Nicaragua.” Ecological Economics, 64(2), pp.374-385.
Pagiola, S., P. Agostini, J. Gobbi, C. de Haan, M. Ibrahim, E. Murgueitio, E. RamÃrez, M. Rosales, and J.P. RuÃz. 2004. “Paying for biodiversity conservation services in agricultural landscapes.” Environment Department Paper No.96. Washington: World Bank.
- Pattanayak, S.K., D.E. Mercer, E. Sills, and J.-C Yang. 2003. “Taking stock of agroforestry adoption studies.” Agroforestry Systems, 57(3), pp.173-186.
Paper not yet in RePEc: Add citation now
- Rajasekharan, P., and S. Veeraputhran. 2002. “Adoption of intercropping in rubber smallholdings in Kerala, India: A tobit analysis.” Agroforestry Systems, 56(1), pp.1-11.
Paper not yet in RePEc: Add citation now
Ravallion, M. 1992. “Poverty comparisons: A guide to concepts and methods.” LSMS Working Paper No.LSM88. Washington: World Bank.
- Swallow, S., M. van Noordwijk, S. Dewi, D. Murdiyarso, D. White, J. Gockowski, G. Hyman, S. Budidarsono, V. Robiglio, V. Meadu, A. Ekadinata, F. Agus, K. Hairiah, P. Mbile, D.J. Sonwa, and S. Weise. 2007. “Opportunities for avoided deforestation with sustainable benefits. Bogor: ASB partnership for the Tropical Forest Margins.
Paper not yet in RePEc: Add citation now
Thacher, T., D.R. Lee, and J.W. Schelhas. 1997. “Farmer participation in reforestation incentive programs in Costa Rica.” Agroforestry Systems, 35(3), pp.269-289.
- White, D., F. Holmann, S. Fuijsaka, K. Reategui, and C. Lascano. 2001. “Will intensifying pasture management in latin america protect forests? – Or is it the other way round?” In: A. Angelsen and D. Kaimowitz, eds, Agricultural Technologies and Tropical Deforestation. Oxford: CAB International.
Paper not yet in RePEc: Add citation now
White, H. 1980. “A heteroskedasticity-consistent covariance matrix estimator and a direct test for heteroskedasticity.” Econometrica, 48, pp.817-838.
- World Bank. 2002. “Colombia poverty report.” Report No.24524-CO. Washington: World Bank.
Paper not yet in RePEc: Add citation now
- World Bank. 2003. “Nicaragua reporte de pobreza: Aumentando el bienestar y reduciendo la vulnerabilidad.” Report No.26128-NI. Washington: World Bank.
Paper not yet in RePEc: Add citation now
- Wunder, S. 2005. “Payments for environmental services: Some nuts and bolts.” CIFOR Occasional Paper No.42. Bogor: CIFOR.
Paper not yet in RePEc: Add citation now
Wunder, S., 2008. “Payments for environmental services and the poor: concepts and preliminary evidence.” Environment and Development Economics, 13(3), pp.279-297.