HarvestChoice keeps catalogs of both raster and vector maps of sub-Saharan Africa (downloadable in either ASCII or ESRI Shapefile formats) along with their associated datasets. We also provide access to over 400 articles, survey and census reports on agriculture-related topics in support of investment targeting and prioritization decisions.

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What Can be Done to Reinvigorate U.S. Agricultural Research?

Authored by:
Pardey, Philip G.; Alston, Julian M.; Chan-Kang, Connie
Publisher:
University of Minnesota, International Science and Technology Practice and Policy Center (InSTePP), June 2013, Brief, 5 pages.
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We describe the evolving patterns of support for public agricultural and food
R&D, the shifting emphasis of spending within the broad portfolio, and some potential policy approaches to revitalize U.S. agricultural research.

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Right-Sizing Stem-Rust Research

Authored by:
Pardey, P.G.; Beddow, J.M.; Kriticos, D.J.; Hurley, T.M.; Park, R.F.; Duveiller, E.; Sutherst, R.W.; Burdon, J.J.; Hodson, D.
Publisher:
Science, April, 2013, Volume 340, Issue 6129, 147-148.
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We estimate global wheat losses over the past 50 years absent investments in research to limit impacts of stem rust and discuss how this can inform decisions about “right-sizing” research investments.

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Measuring the Global Occurrence and Probabilistic Consequences of Wheat Stem Rust

Authored by:
Beddow, Jason M.; Hurley, Terry M.; Kriticos, Darren J.; Pardey, Philip G.
Publisher:
HarvestChoice, April 10, 2013, HarvestChoice Technical Note, 24 pages.
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This technical note describes the methods and data sources used to generate the results
reported in Pardey et al. (2013).

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Agricultural Innovation: The United States in a Changing Global Reality

Authored by:
Pardey, Philip G.; Beddow, Jason M.
Publisher:
The Chicago Council on Global Affairs, April 2013, 52 pages.
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This report looks at the processes of agricultural innovation and the role of R&D in increasing agricultural productivity.

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Public Food and Agricultural Research in the United States: The Rise and Decline of Public Investments, and Policies for Renewal

Authored by:
Pardey, Philip G.; Alston, Julian M.; Chan-Kang, Connie
Publisher:
AGree, April 2013, 46 pages.
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The report shows how public funding for agricultural research and development (R&D) has declined markedly in recent decades.

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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.
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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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CLIMEX Modelling of the Potential Global Distribution of the Citrus Black Spot Disease Caused by Guignardia Citricarpa and the Risk Posed to Europe

Authored by:
Yonow, Tania; Hattingh, Vaughan; De Villiers, Marelize
Publisher:
Crop Protection, February 2013, Volume 44, 18-28.
Topics: 
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Comment on “Climatic Niche Shifts Are Rare Among Terrestrial Plant Invaders”

Authored by:
Webber, Burce L.; Le Maitre, David C.; Kriticos, Darren J.
Publisher:
Science, October, 2012, Volume 338, Issue 6104, 193.
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We draw attention to the limitations of their conceptual assumptions and the importance of niche shifts excluded from their analyses.

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A Long-Run View of South African Agricultural Production and Productivity

Authored by:
Liebenberg, Frikke; Pardey, Philip G.
Publisher:
African Journal of Agricultural and Resource Economics, October 2012, Volume 7, Issue 1, 14-38.
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Here we present and discuss newly constructed long-run data on agricultural input and output aggregates for South Africa spanning most of the 20th century. Updated multi-factor productivity (MFP) measures for South Africa for the last half of the 20th century are also presented.

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