A Ricardian analysis of the climate change impact on Nepalese agriculture

Thapa, Sridhar and Joshi, Ganesh Raj (2010): A Ricardian analysis of the climate change impact on Nepalese agriculture.

Abstract

This paper applies Ricardian approach to measure the effect of climate change on crop production in Nepal using cross-section data of Nepal Living Standard Survey 2003/04 and climate data from Department of Hydrology and Meteorology, Nepal. The study examines the relationship between net farm revenue and climate variables using 656 households of 14 districts covering all climatic zones of Nepal. Net farm revenue is regressed on climate and socio-economic variables. The findings show that these variables have significant impact on the net farm value per hectare. More specifically, relatively low precipitation and high temperature seem to have positive impact on net farm income during the fall and spring seasons. Net farm income is likely to be increased by summer precipitation, but not by temperature. Marginal impacts are mostly in line with the Ricardian model, showing marginally increasing precipitation during summer and winter would increase net farm income, but reduce by the quarter terms and temperature of these seasons. Moreover, marginally increasing precipitation would increase farm income in the hilly region, but reduce in Terai region. Other variables such as ratio of irrigated farm land and obtaining credit are found to be positive impact on net farm value but not by farm size. Conclusively, the impact of climate change on agriculture seems to be varied with the temperature and precipitation in different climatic zones.

• Item Type: MPRA Paper
• Language: English
• Keywords: climate change, agriculture, Ricardian approach, marginal impact, Nepal
• Subjects: Q - Agricultural and Natural Resource Economics ; Environmental and Ecological Economics > Q2 - Renewable Resources and Conservation > Q24 - Land; C - Mathematical and Quantitative Methods > C3 - Multiple or Simultaneous Equation Models ; Multiple Variables > C31 - Cross-Sectional Models ; Spatial Models ; Treatment Effect Models ; Quantile Regressions ; Social Interaction Models; Q - Agricultural and Natural Resource Economics ; Environmental and Ecological Economics > Q5 - Environmental Economics > Q54 - Climate ; Natural Disasters and Their Management ; Global Warming

References

Central Bureau of Statistics (CBS). 2004. “Nepal Living Standard Survey 2003/04.”, His Majesty Government of Nepal, Kathmandu.

Central Bureau of Statistics (CBS). 2002. “National Census of Agriculture 2001/02.”, His Majesty Government of Nepal, Kathmandu.

Christensen, J. H. and Hewitson B. 2007. “Regional climate projections. In Climate Change 2007.”, The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, chapter 11, pages 847.940. Cambridge University Press.

Cline,W. R.1996. “The impact of global warming on agriculture: Comment.”, The American Economic Review 86(5): 1309–1301.

Department of Hydrology and Meteorology(DHM).2009. “Climatological records of Nepal.”, Various issues, DHM, Government of Nepal, Kathmandu.

Deressa, T. T. and Hassan R.M .2009. “Economic impact of climate change on crop production in Ethiopia: Evidence from cross-section measures.”, Journal of African Economics 18(4): 529-554.

Dinar, A. et al. (eds).1998. “Measuring the impact of climate change on Indian agriculture.” , World Bank Technical Paper 402, Washington, DC.

IPCC (Intergovernmental Panel on Climate Change).1996. “ IPCC second assessment summary for policy makers: the science of climate change.”, IPCC Mimeograph.

Kumar, K. and S. Parikh .1998. “Climate change impacts on Indian agriculture: the Ricardian approach.’, In: A. Dinar, R. Mendelsohn, R. Evenson, J. Parikh, A. Sanghi, K. Kumar, J. McKinsey, S. Lonergan (eds), Measuring the Impact of Climate Change on Indian Agriculture, World Bank Technical Paper No.402, Washington, DC: World Bank.

Kurukulasuriya, P. et al. 2006. “Will African agriculture survive climate change?”, The World Bank Economic Review 20 (3): 367–88.

Kurukulasuriya, P., and M. Ajwad. 2006. ‘‘Application of the Ricardian technique to estimate the impact of climate change on smallholder farming in Sri Lanka.’’, Climatic Change, doi: 10.1007/s10584-005-9021-2.

Kurukulasuriya, P., and S. Rosenthal. 2003. ‘‘Climate change and agriculture: a review of impacts and adaptations.’’, Climate Change Series 91. Environment Department Papers, World Bank,Washington, D.C.

Libert et al.2009. “A Ricardian analysis of the impact of climate change on agriculture in Germany.”, Climatic Change 97:593–610 DOI 10.1007/s10584-009-9652-9.

Mendelsohn R, Dinar A, Williams L .2006. “The distributional impact of climate change on rich and poor countries.”, Environ Dev Econ 11:1–20. doi:10.1017/S1355770X05002755

Mendelsohn R. 2007. “ Measuring climate impacts with cross-sectional analysis: Introduction to the special issue in climatic change.”, Climate Change 81:1–7.

Mendelsohn, R. (ed). 2001. “Global warming and the American economy: A regional analysis.”, Edward Elgar Publishing, UK.

Mendelsohn, R. and Dinar, A.1999. “Climate change, agriculture, and developing countries: Does adaptation matter?”, The World Bank Research Observer 14, 277–293.

Mendelsohn, R. and Tiwari D. 2000. “Two essays on climate change and agriculture: a developing country perspective.”, FAO Economic and Social Development Paper 145. Rome, Italy.

Mendelsohn, R., and A. Dinar. 2003. ‘‘Climate, water, and agriculture.’’, Land Economics 79(3): 328–341.

Mendelsohn, R., Nordhaus, W., and Shaw, D.1994. “The impact of global warming on agriculture: A Ricardian analysis.”, American Economic Review 84: 753–771.

Pearce et al.1996. ‘‘The social costs of climate change: Greenhouse damage and benefits of control.’’, In J. Bruce, H. Lee, and E. Haites, eds., Climate Change 1995: Economic and Social Dimensions of Climate Change. Cambridge: Cambridge University Press.

Seo, S. N., Mendelsohn R. and Munasinghe M.2005. “Climate change and agriculture in Sri Lanka: a Ricardian valuation.”, Environment and Development Economics 10: 581-596, doi:10.1017/S1355770X05002044.

Tol, R. 2002. ‘‘Estimates of the damage costs of climate change. Part 1: benchmark estimates.’’, Environmental and Resource Economics 21: 47–73.

Winter, et al.1996. “Climate change.”, Agriculture, and Developing Economies, Department of Agricultural and Resource Economics, Division of Agriculture and Resource Economics, University of California at Berkley, Working Paper No. 785.

World Bank. 2003. ‘‘Africa rainfall and temperature evaluation system (ARTES).’’, Washington, D.C.

World Bank. 2008. “Nepal at a glance.”, The World Bank Group http://devdata.worldbank.org/AAG/npl_aag.pdf .