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| Olson, Kent D.; Vu, Linh. |
| Changes and trends in farm productivity have been of intense interest to many involved with agriculture. This study used data envelopment analysis (DEA) to estimate the output-oriented Malmquist total factor productivity (TFP) index from panel data for 1993-2006 for farms in Southern Minnesota. Bootstrap methods were used to estimate confidence intervals for the productivity, efficiency change and technical change indices. The model included three inputs (labor, land and immediate expenditures) and six outputs (corn, soybean, milk, hog, beef, and nonfarm income). Productivity growth was found to be positive during the period, with an average annual productivity growth of 6.6 percent. However, TFP growth has been slowing down in recent years and indeed... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Total factor productivity; Farms; Malmquist index; Data envelopment analysis; DEA; Bootstrap; Government subsidies; Farm Management; Productivity Analysis; Q12; C14. |
| Ano: 2009 |
URL: http://purl.umn.edu/49204 |
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| Vu, Linh; Glewwe, Paul. |
| In 2007 and 2008, international prices of rice and other grains sharply increased, raising fears that poor households in developing countries would become poorer. Yet, these fears often ignored that many of these poor households were food producers. This study examines the impact of rising food prices on welfare in Vietnam. Our results show that, overall, higher food prices raised the average Vietnamese household’s welfare. However, higher food prices made most households worse off. Average welfare was found to increase because the average welfare loss of households whose welfare declined (net purchasers) was smaller than the average welfare gain of those whose welfare increased (net sellers). |
| Tipo: Journal Article |
Palavras-chave: Food prices; Poverty; Rice prices; Vietnam; Welfare; Food Consumption/Nutrition/Food Safety; Food Security and Poverty. |
| Ano: 2011 |
URL: http://purl.umn.edu/105512 |
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| Olson, Kent D.; Vu, Linh. |
| Inter-firm differences in economic efficiency are major factors explaining differences in firm survival and growth and changes in industry structure. Thus, factors explaining differences in efficiency are of major interest to many involved in or affected by the industry. This study was undertaken to improve our understanding of the inter-farm differences in farm household efficiency in utilizing their land, labor, and capital resources to achieve household objectives. It estimated the technical, allocative, and scale efficiencies of farm households in southern Minnesota using a nonparametric, output-based data envelopment analysis (DEA) of a time series, panel dataset from 1993-2005. A bootstrap method was used to establish statistical properties of the... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Productivity Analysis. |
| Ano: 2007 |
URL: http://purl.umn.edu/9827 |
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