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Developing Consistent Marginal Effect Estimates in a Simultaneous Equation Model with Limited Dependent Variables

Authored by:
Atwood, Joseph A.; Bittinger, Alison; Smith, Vincent H.
Publisher:
University of Minnesota, March 2013, Staff Paper P13-1, 40 pages.
Topics: 

We demonstrate that Theil-type variance corrections are required to obtain consistent marginal effect estimates in Nelson-Olsen's two-stage limited dependent variable (2SLDV) model.

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Mapping Marginality Hotspots – Geographical Targeting for Poverty Reduction

Authored by:
Graw, Valerie; Ladenburger, Christine
Publisher:
University of Bonn, Center for Development Research, January 2012, ZEF Working Paper Series 88, 31 pages.
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This mapping approach aims to make the marginalized and poor visible by identifying areas with difficult biophysical and socio-economic conditions.

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Climate Risk Management Through Sustainable Land Management in Sub-Saharan Africa

Authored by:
Nkonya, Ephraim; Place, Frank; Pender, John; Mwanjololo, Majaliwa; Okhimamhe, Appollonia; Kato, Edward; Crespo, Susana; Ndjeunga, Jupiter; Traore, Sibiry
Publisher:
International Food Policy Research Institute (IFPRI), September, 2011, IFPRI Discussion Paper 01126, 88 pages.
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Empirical evidence has shown that farmers can adapt to climate change by using sustainable land and water management (SLWM) practices that provide local mitigation benefits, reducing or offsetting the negative effects of climate change at the level of the plot, farm, or even landscape. However, adaptation to climate change using SLWM practices in sub-Saharan Africa (SSA) remains low. This study was conducted to examine the impact of government policies on adaptation to climate change.

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Crop Production and Road Connectivity in Sub-Saharan Africa: A Spatial Analysis

Authored by:
Dorosh, Paul; Wang, Hyoung-Gun; You, Liang; Schmidt, Emily;
Publisher:
World Bank, Africa Region, Sustainable Development Division, July, 2010, Policy Research Working Paper WPS 5385, 46 pages.
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This study examines the relationship between transport infrastructure and agriculture in Sub-Saharan Africa using new data obtained from geographic information systems (GIS).

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What is the Irrigation Potential for Africa? A Combined Biophysical and Socioeconomic Approach

Authored by:
You, Liangzhi; Ringler, Claudia; Nelson, Gerald; Wood-Sichra, Ulrike; Robertson, Richard; Wood, Stanley; Guo, Zhe; Zhu, Tingju; Sun, Yan
Publisher:
International Food Policy Research Institute (IFPRI), June, 2010, 30 pages.
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Although irrigation in Africa has the potential to boost agricultural productivities by at least 50 percent, food production on the continent is almost entirely rainfed.

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Potential Impact of Investments in Drought Tolerant Maize in Africa

Authored by:
La Rovere, Roberto; Kostandini, Genti; Abdoulaye, Tahirou; Dixon, John; Mwangi, Wilfred; Guo, Zhe; Banziger, Marianne
Publisher:
International Institute of Tropical Agriculture (IITA), 2010, 38 pages.
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The study evaluates the potential impacts of the Drought Tolerant Maize for Africa (DTMA) project run by CIMMYT and the International Institute for Tropical Agriculture (IITA) in 13 countries of eastern, southern and West Africa: Angola, Benin, Ethiopia, Kenya, Malawi, Mali, Mozambique, Nigeria, Tanzania, Uganda, ambia, and Zimbabwe and Ghana.

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Paving the Way for Development? The Impact of Transport Infrastructure on Agricultural Production and Poverty Reduction in the Democratic Republic of Congo

Authored by:
Ulimwengu, John; Funes, Jose; Headey, Derek; You, Liangzhi
Publisher:
International Food Policy Research Institute (IFPRI), December, 2009, IFPRI Discussion Paper 00944, 52 pages.
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Given its vast land resources and favorable water supply, the Democratic Republic of Congo’s (DRC’s) natural agricultural potential is immense.

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Torrents and Trickles: Irrigation Spending Needs in Africa; Summary

Authored by:
You, L.; Ringler, C.; Nelson, G.; Wood-Sichra, U.; Robertson, R.; Wood, S.; Zhe, G.; Zhu, T.; Sun, Y.
Publisher:
World Bank, September, 2009, 12 pages.
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Priorities for Realizing the Potential to Increase Agricultural Productivity and Growth in Western and Central Africa

Authored by:
Nin-Pratt, Alejandro; Johnson, Michael; Magalhaes, Eduardo; Diao, Xinshen; You, Liangzhi; Chamberlin, Jordan
Publisher:
International Food Policy Research Institute (IFPRI), August, 2009, IFPRI Discussion Paper 00876, 76 pages.
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We identify a set of development priorities for agriculture that cut across West Africa, at both the country and the regional level, to achieve economy-wide growth goals in the region.

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Crop Production and Road Connectivity in Sub-Saharan Africa: A Spatial Analysis

Authored by:
Dorosh, Paul; Wang, Hyoung-Gun; You, Liang; Schmidt, Emily
Publisher:
World Bank, February, 2009, Africa Infrastructure Country Diagnostic Working Paper 19, 46 pages.
Topics: 
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This study adopts a cross-sectional spatial approach to examine the impact of transport infrastructure on agriculture in Sub-Saharan Africa using new data obtained from geographic information systems (GIS).

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