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| Registros recuperados: 22 | |
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| Fuglie, Keith O.; Heisey, Paul W.; King, John L.; Day-Rubenstein, Kelly A.; Schimmelpfennig, David E.; Wang, Sun Ling. |
| Meeting growing global demand for food, fiber, and biofuel requires robust investment in agricultural research and development (R&D) from both public and private sectors. This study examines global R&D spending by private industry in seven agricultural input sectors, food manufacturing, and biofuel and describes the changing structure of these industries. In 2007 (the latest year for which comprehensive estimates are available), the private sector spent $19.7 billion on food and agricultural research (56 percent in food manufacturing and 44 percent in agricultural input sectors) and accounted for about half of total public and private spending on food and agricultural R&D in high-income countries. In R&D related to biofuel, annual... |
| Tipo: Technical Report |
Palavras-chave: Agricultural biotechnology; Agricultural chemicals; Agricultural inputs; Animal breeding; Animal health; Animal nutrition; Aquaculture; Biofuel; Concentration ratio; Crop breeding; Crop protection; Farm machinery; Fertilizers; Herfindahl index; Globalization; Market share; Market structure; Research intensity; Seed improvement; Productivity Analysis. |
| Ano: 2011 |
URL: http://purl.umn.edu/120324 |
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| Rejesus, Roderick M.; Heisey, Paul W.; Smale, Melinda. |
| Sources of yield growth in wheat are investigated based on a stylized framework of technical change. Evidence suggests that the relative contribution of input intensification to yield growth has diminished in recent years and is likely to continue to decline in the future. One potential source of yield growth in wheat during the medium to long term is improved efficiency of input use, rather than input intensification, through sustainable wheat production practices rather than pure input increases. Other large gains could be made with continuous adoption of newer and better modern varieties based on advances in wheat breeding. Wide crossing and biotechnology could improve the stability of wheat yields in the intermediate term; their long-term impact on... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Crop Production/Industries. |
| Ano: 1999 |
URL: http://purl.umn.edu/7693 |
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| Thirtle, Colin G.; Srinivasan, Chittur S.; Heisey, Paul W.. |
| Intellectual property protection, globalization, and pressure on public budgets in many industrialized countries have shifted the balance of plant breeding activity from the public to the private sector. Several economic factors influence the relative shares of public versus private sector plant breeding activity, with varying results over time, over country, and over crop. The private sector, for example, dominates corn breeding throughout the industrialized world, but public and private activities in wheat breeding differ widely in Western Europe, different regions of the United States, Canada, and Australia. Public sector involvement in plant breeding may have benefits to society that the private sector's activities may not, fostering greater sharing of... |
| Tipo: Report |
Palavras-chave: Plant breeding; Economics; Public sector; Private sector; Research policy; Biotechnology; Intellectual property; Crop Production/Industries; Research and Development/Tech Change/Emerging Technologies. |
| Ano: 2001 |
URL: http://purl.umn.edu/33775 |
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| Hartell, Jason G.; Smale, Melinda; Heisey, Paul W.; Senauer, Benjamin. |
| This study makes use of data on wheat production in the Punjab of Pakistan from 1979 to 1985 to 1) examine patterns of varietal diversity in farmers' fields both at the regional and district levels and 2) identify how and in what ways genetic resources have contributed to wheat productivity and yield stability-important considerations to farmers and national authorities where wheat is a staple food crop. Five indicators are used to describe the system of wheat genetic resource use and diversity in farmers' fields. The contribution of farmers' previous selections is expressed as the number of different landraces appearing in the pedigree of a cultivar . The contribution of scientific breeding efforts is expressed as the number of parental combination... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Crop Production/Industries. |
| Ano: 1997 |
URL: http://purl.umn.edu/7673 |
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| Heisey, Paul W.; Morris, Michael L.. |
| Interest in the economics of plant breeding first emerged during the late 1960s and early 1970s following the well-known green revolutions in wheat and rice. Since that time, few branches of agricultural research have been subjected to as much scrutiny as plant breeding. Impacts assessment studies consistently conclude that the economic benefits generated by successful plant breeding programs are large, positive, and widely distributed. Case studies repeatedly find that investment in crop genetic improvement generates attractive rates of return compared to alternative investment opportunities. Similarly, case studies consistently show that the welfare benefits resulting from the adoption of modern varieties (MVs) are broadly shared by producers and... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Research and Development/Tech Change/Emerging Technologies. |
| Ano: 2002 |
URL: http://purl.umn.edu/19828 |
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| Shoemaker, Robbin A.; Harwood, Joy L.; Day-Rubenstein, Kelly A.; Dunahay, Terry; Heisey, Paul W.; Hoffman, Linwood A.; Klotz-Ingram, Cassandra; Lin, William W.; Mitchell, Lorraine; McBride, William D.; Fernandez-Cornejo, Jorge. |
| Agricultural biotechnology has been advancing very rapidly, and while it presents many promises, it also poses as many questions. Many dimensions to agricultural biotechnology need to be considered to adequately inform public policy. Policy is made more difficult by the fact that agricultural biotechnology encompasses many policy issues addressed in very different ways. We have identified several key areas agricultural research policy, industry structure, production and marketing, consumer issues, and future world food demand where agricultural biotechnology is dramatically affecting the public policy agenda. This report focuses on the economic aspects of these issues and addresses some current and timely issues as well as longer term issues. |
| Tipo: Report |
Palavras-chave: Biotechnology; Economics; Adoption; Patents; Research policy; Markets; Market segmentation; Identity preservation; Research and Development/Tech Change/Emerging Technologies. |
| Ano: 2001 |
URL: http://purl.umn.edu/33735 |
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| Day-Rubenstein, Kelly A.; Heisey, Paul W.; Shoemaker, Robbin A.; Sullivan, John; Frisvold, George B.. |
| Crop genetic resources are the basis of agricultural production, and significant economic benefits have resulted from their conservation and use. However, crop genetic resources are largely public goods, so private incentives for genetic resource conservation may fall short of achieving public objectives. Within the U.S. germplasm system, certain crop collections lack sufficient diversity to reduce vulnerability to pests and diseases. Many such genetic resources lie outside the United States. This report examines the role of genetic resources, genetic diversity, and efforts to value genetic resources. The report also evaluates economic and institutional factors influencing the flow of genetic resources, including international agreements, and their... |
| Tipo: Report |
Palavras-chave: Genetic resources; Genetic diversity; Germplasm; R&D; International transfer of genetic resources; In situ conservation; Ex situ conservation; Gene banks; Intellectual property.; Crop Production/Industries; Research and Development/Tech Change/Emerging Technologies. |
| Ano: 2005 |
URL: http://purl.umn.edu/59388 |
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| Heisey, Paul W.; King, John L.; Day-Rubenstein, Kelly A.. |
| Well-established quantitative approaches find that in the aggregate, public investments in agricultural research yield high returns and spur growth in agricultural productivity. Standard economic approaches may be difficult to apply to evaluations of some research benefits and may not help in gauging important steps necessary to positive research outcomes. In these more difficult cases, economic reasoning can provide qualitative analysis even when quantitative estimates of benefits are intractable. |
| Tipo: Article |
Palavras-chave: Community/Rural/Urban Development. |
| Ano: 2011 |
URL: http://purl.umn.edu/121098 |
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| Pingali, Prabhu L.; Heisey, Paul W.. |
| This paper synthesizes the evidence on cereal crop productivity in developing countries over the past 30 years and looks at future prospects for productivity growth. For more than three decades we have witnessed the phenomenal growth of cereal crop productivity in the developing world. Termed the Green Revolution, the initial phase of this growth resulted from an increase in land productivity and occurred in areas of growing land scarcity and/or areas with high land values. Significant investments in research and infrastructure development, especially irrigation, were the strategic components of this increased productivity. In the post-Green Revolution period, particularly in Asia, productivity growth has been sustained through increased input use and,... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Crop Production/Industries. |
| Ano: 1999 |
URL: http://purl.umn.edu/7682 |
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| Heisey, Paul W.; Edmeades, Gregory O.. |
| This publication, through its focus on maize production in drought stressed areas of developing countries, explores economic, research, and policy issues related to maize agriculture in marginal areas of the developing world generally. Key questions in the debate over agriculture in marginal vs. favorable production areas are reviewed with a focus on maize. Questions include whether maize production is expanding into marginal areas, if production from such areas is necessary to meet future demand, and what is the relationship between marginal production environments and poverty. Different research resource allocations (leading to technological change) are modeled to compare gains and losses to producers and consumers in marginal, favorable, and urban areas... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Crop Production/Industries. |
| Ano: 1999 |
URL: http://purl.umn.edu/9369 |
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| Heisey, Paul W.; Mwangi, Wilfred. |
| In sub-Saharan Africa, greater use of mineral fertilizers is crucial to increasing food production and slowing the rate of environmental degradation. Regional growth rates in fertilizer consumption have never been particularly high, in part because the real price of fertilizer is higher in Africa than in many other developing regions. As subsidies have been removed and exchange-rate distortions corrected over the past decade or more, relative prices paid by farmers have risen to reflect more closely the economic cost of fertilizer. Consumption growth has thus slowed even more. Nonetheless, during the period of declining growth in consumption, fertilizer use on cereals, particularly maize, has become relatively more important than use on cash crops.... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Crop Production/Industries. |
| Ano: 1996 |
URL: http://purl.umn.edu/7688 |
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| Schimmelpfennig, David E.; Heisey, Paul W.. |
| Over the years, proposals have recommended shifting the focus of public agricultural research from applied to basic research, and giving higher priority to peer-reviewed, competitively funded grants. The public agricultural research system in the United States is a Federal-State partnership, with most research conducted at State institutions. In recent years, State funds have declined, USDA funds have remained fairly steady (with changes in the composition of funding), but funding from other Federal agencies and the private sector has increased. Efforts to increase competitively awarded funds for research have fluctuated over time, as have special grants (earmarks). Along with shifts in funding sources, the proportion of basic research being undertaken... |
| Tipo: Report |
Palavras-chave: Agricultural research; Current Research Information System; CRIS; State Agricultural Experiment Stations (SAES); Competitive and formula funds; Research Methods/ Statistical Methods. |
| Ano: 2009 |
URL: http://purl.umn.edu/58314 |
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| Registros recuperados: 22 | |
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