7ER Discussion Paper 82 Pathways of Rural Development in Madagascar: An Empirical Investigation of the Critical Triangle of Environmental Sustainability, Economic Growth, and Poverty Alleviation Manfred Zeller, C6cile Lapenu, Bart Minten, Eliane Ralison, Ddsir6 Randrianaivo, and Claude Randrianarisoa Most of the world's poor depend directly or indirectly on agriculture for their liveli- hood. Much-needed increases in agricul- tural production can, in principal, come about through two pathways of rural development: expanding the area under cultivation or increasing the yield of areas already under cultivation. The first-agricultural extensification-does not require increases in agricul- tural productivity. The second is called agricultural intensification. What causes rural communities to choose between the two, and how can policy help communities achieve environmentally sustainable pathways of development while at the same time improving incomes and alleviating poverty? This paper seeks to shed some light on these complex questions using a descriptive and econometric analysis of community-level data from Madagascar. The point of departure for the analysis is a theoretical frame- "Access to work that postulates a critical tri- angle between economic growth, institutions, poverty alleviation, and environ- village banks mental sustainability. The de- cooperate scriptive analysis of community- significa level data from 200 villages in rural Madagascar shows that the agricultut yields of irrigated rice (the major Mad food crop) and agricultural wages declined from 1987 to 1997, while the villages expanded their upland area at the expense of forestlands and the fertility of their upland soils. This paper presents an econometric anal-ysis of the determinants of sustainable rural devel-opment that seeks to explain three types of observed development paths: (1) agricultural extensification with corresponding deforestation and soil mining, emb such , or ve so nt ro 'al in lagas (2) agricultural intensification, and (3) rural migration. The results show that improved access to commodity and financial markets and to public services as well as a higher level of social capital in the village can act as determinants that favor more sustainable development paths for use of natural resources. The analysis in this paper points to a number of implications for policy and further research. Access to member-based financial institutions, such as credit groups, village banks, or savings and credit coop- erative societies, plays a significant role in enabling agricultural intensification in Madagascar and the promotion of microfinance institutions for rural house- holds could have beneficial effects on agricultural productivity, poverty, and the conservation of natural resources. The research further suggests a positive effect of improved access to markets for rice and er-basedfinancial agricultural inputs on rice as credit groups, yields, upland soil fertility, savings and credit and the reduction of newly cities, plays a cultivated hillsides. Yet, le in enabling improved access to output markets for nonrice crops tensification in that are grown on upland car ... seems to lead to an expan- sion of cultivated upland in the short run. As such market access increases, farmgate prices increase while farmers' transaction costs for selling and buying crops decrease, ultimately pushing up the value of land. Investments in soil conservation will conse-quently become more economical. Neglecting the build-up of rural infrastructure and markets would only condemn rural villages and households to con-tinue the low- Food Consumption and Nutrition Division of the International Food Policy Research Institute