Consulta: subjectFacets:"Data envelopment analysis"
Registros recuperados: 41
Data/hora: 12/06/2024 14:56:19

Análisis de la productividad en las entidades federativas de México.
Provedor de dados: 32
Autores: Freire Basantes, Verónica del Carmen.
En esta investigación se realizó un análisis comparativo de los cambios en la productividad de las entidades federativas de México, durante el período 2005-2010. Para estimar la productividad se utilizó la metodología basada en el Análisis Envolvente de Datos (DEA), bajo el Índice de Productividad de Malmquist (IPM), empleando como producto al PIB estatal y como insumos al capital y mano de obra. Los resultados muestran un descenso general en la productividad del 2005 al 2009, con una recuperación en el 2010; esto se debió principalmente al componente de cambio tecnológico, más que a cambios en la eficiencia técnica. Los desequilibrios regionales principalmente del cuarto período que reflejan los resultados del IPM coinciden con la crisis financiera del...
Palavras-chave: Método envolvente de datos; Inventario de capital; Productividad; Doctorado; Economía; Data envelopment analysis; Capital stock; Productivity.
Ano: 2012
URL: http://hdl.handle.net/10521/1767

Are Hospitals Seasonally Inefficient? Evidence from Washington State Hospitals
Provedor de dados: 31
Autores: Friesner,   Daniel L.; McPherson,   Matthew Q.; Rosenman,   Robert.
Efficiency measurement has been one of the most extensively explored areas of health services research over the past two decades. Despite this attention, few studies have examined whether a provider’s efficiency varies on a monthly, quarterly or other, sub-annual basis. This paper presents an empirical study that looks for evidence of seasonal inefficiency. Using a quarterly panel of general, acute-care hospitals from Washington State, we find that hospital efficiency does vary over time; however, the nature of this dynamic inefficiency depends on the type of efficiency being measured. Our results suggest that technical and cost efficiency vary by quarter. Allocative and scale efficiency also vary on a quarterly basis, but only if the data are jointly...
Tipo: Working or Discussion Paper
Palavras-chave: Seasonality; Efficiency; Hospitals; Data envelopment analysis; Health Economics and Policy.
Ano: 2006
URL: http://purl.umn.edu/12957

Assessing programmes for the provision of agri-environmental services               – An efficiency analysis realized in Southern Germany
Provedor de dados: 31
Autores: Kantelhardt,   Jochen; Eckstein,   Karin; Hoffmann,   Helmut.
Agricultural land use does not only concern farmers, but is of high relevance for the environment. Agri-environmental programmes aim to foster the environmental soundness of agricultural production. The aim of this study is to analyse the impact of agri-environmental programmes on the economic and the environmental performance of farms. Using the nonparametric method of Data Envelopment Analysis (DEA), we calculated the economic as well as the environmental efficiencies of farms and examined whether farms are able to succeed in combining environmental and economic efficiency. As study object serves a South German agri-environmental programme, the Bavarian KULAP. A farm survey was conducted covering a total of 102 farmers. The results show that farmers who...
Tipo: Conference Paper or Presentation
Palavras-chave: Agri-environmental programme; Data envelopment analysis; Environmental efficiency; Economic efficiency; Environmental Economics and Policy; Productivity Analysis; Resource /Energy Economics and Policy.
Ano: 2009
URL: http://purl.umn.edu/51688

Policies, Natural Resource Governance and Local Development
Provedor de dados: 31
Autores: Massuanganhe,   Israel Jacob.
The role that agriculture should play in economic development has been recognised for years. In recent years, concern has been expressed over rising agricultural and food prices. The world market prices for major food commodities have risen sharply to historic highs of more than 60 percent above levels just two years ago. Many factors have contributed to the rise in food commodity prices. Some factors reflect trends of slower growth in production and more rapid growth in demand that have contributed to a tightening of world balances of grains and oilseeds over the last decade. Other factors that have added to global food commodity price inflation include the declining value of the US dollar, rising energy prices, increasing agricultural costs of...
Tipo: Thesis or Dissertation
Palavras-chave: Data envelopment analysis; Efficiency; Decentralisation; Natural resource management; Land reform; Agricultural development; Governance; Participation; Local development; Agricultural and Food Policy; Community/Rural/Urban Development; Institutional and Behavioral Economics; International Development; Political Economy; Resource /Energy Economics and Policy.
Ano: 2008
URL: http://purl.umn.edu/53061

Agricultural Economics Education in Ukrainian Agricultural Universities: An Efficiency Analysis Using Data Envelopment Analysis
Provedor de dados: 31
Autores: Lissitsa,   Alexej; Coelli,   Tim J.; Rao,   D.S. Prasada.
Ukraine's transition from a centrally-planned to a market economy has had a profound effect upon its agricultural sector and agricultural universities. A substantial reduction in state financing has forced universities to adopt a range of survival strategies, with varying degrees of success. In this paper we use data envelopment analysis to examine the technical efficiency of 44 agricultural economics programs from 19 Ukrainian universities during the 2002/03 academic year. Our empirical results indicate wide disparities in performance, ranging from 36% to 100% technical efficiency. A second-stage analysis suggests that factors such as student demand, commercial activities and staff quality help explain a portion of this variation.
Tipo: Conference Paper or Presentation
Palavras-chave: Higher education; Ukraine; Efficiency; Data envelopment analysis; Teaching/Communication/Extension/Profession; I21; C14; Q16.
Ano: 2005
URL: http://purl.umn.edu/24482

Evaluating Target Achievements in the Public Sector: An Application of a Rare Non-Parametric DEA and Malmquist Indices
Provedor de dados: 31
Autores: Odeck,   James.
This paper provides an assessment of the extent to which targets set by a public authority are achieved by its operational units. A rare DEA framework and its subsequent Malmquist indices are applied on data comprising 19 units over a four year period of 1996 to 1999. The mean efficiency scores by which targets are achieved across the sample years are moderate, in the range 0.81 to 0.93. Average productivity progress across the sample years has been 26 percent. The results illustrate the usefulness of DEA even when there are no inputs and the decomposable Malmquist index for productivity is an asset in exploring causes of productivity growth.
Tipo: Journal Article
Palavras-chave: Target achievement; Traffic safety; Data envelopment analysis; Malmquist indices; L92; C61.
Ano: 2005
URL: http://purl.umn.edu/37549

EFICIÊNCIA DA PRODUÇÃO FAMILIAR DE LEITE EM PROJETOS DE ASSENTAMENTO DE REFORMA AGRÁRIA: ESTUDO MULTICASO
Provedor de dados: 31
Autores: Pinheiro,   Mauro Estenio Facanha; Altafin,   Iara Guimaraes.
The milk market changes in Brazil, occured in the last few decades, have challenged the milk producers, especially the smaller ones in relation to milk quality improvement, the reduction of production costs, the adoption of modern practical management technologies and efficiency and productivity gain. The economic sustainability of the producers depends, in great measure, on their success in responding positively to these challenges. This work has aimed to evaluate the technical and economical efficiency of the family dairy production in settlement projects of agrarian reform in the city of Unaí-MG. Information on the production of sixteen producers were collected during an eleven-month period. For evaluating the efficiency, it was used Data Envelopment...
Tipo: Journal Article
Palavras-chave: Data envelopment analysis; Efficiency; Family dairy production.
Ano: 2007
URL: http://purl.umn.edu/43709

Do farmers provide agri-environmental services efficiently? – An economic analysis
Provedor de dados: 31
Autores: Kantelhardt,   Jochen; Eckstein,   Karin.
Agricultural land use does not only concern farmers, but also has a large number of social and environmental effects. Consequently, it is to be assumed that farmers have to use financial resources as well as labour in order to provide these services. Using the nonparametric method of Data Envelopment Analysis (DEA), we calculated the economic as well as the ecological efficiencies of farms and examined whether farms are able to succeed in combining ecological and economic efficiency. In addition to this analysis, we studied the driving factors of the respective efficiencies. The study was carried out in four typical production regions in Bavaria which vary in their proportions of grassland as well as their yield potential; thus, the study regions reflect a...
Tipo: Conference Paper or Presentation
Palavras-chave: Agricultural land use; Data envelopment analysis; Ecological efficiency; Economic efficiency; Environmental Economics and Policy.
Ano: 2007
URL: http://purl.umn.edu/7973

Using DEA and VEA to Evaluate Quality of Life in the Mid-Atlantic States
Provedor de dados: 31
Autores: Marshall,   Elizabeth P.; Shortle,   James S.
In this study we use data envelopment analysis (DEA) and an extension of DEA called value efficiency analysis (VEA) to explore the “"production”" of quality of life within counties in the mid-Atlantic region and the extent to which production frontiers and efficiency differ between rural and urban counties. These methods allow us to identify counties that are inefficient in their quality of life production, and to rank (using DEA) those counties according to their distance from a performance standard established by other observed counties(using VEA), or  by a single unit designated as "“most preferred"(using VEA).”
Tipo: Journal Article
Palavras-chave: Data envelopment analysis; Value efficiency analysis; Quality of life; Community/Rural/Urban Development.
Ano: 2005
URL: http://purl.umn.edu/10237

Economic and Marketing Efficiency Among Corn Ethanol Plants
Provedor de dados: 31
Autores: Sesmero,   Juan P.; Perrik,   Richard K.; Fulginiti,   Lilyan E.
In the corn ethanol industry, the ability of plants to obtain favorable prices through marketing decisions is considered important for their overall economic performance. Based on a panel of surveyed of ethanol plants we extend data envelopment analysis (DEA) to decompose the economic efficiency of plants into conventional sources (technical and allocative efficiency) and a new component we call marketing efficiency. The latter measure allows us to evaluate plants’ ability to contract favorable prices of corn and ethanol relative to spot market prices and its implications for their overall economic performance. Results show that plants are very efficient from a technical point of view. Dispersion in overall economic performance observed across units is...
Tipo: Conference Paper or Presentation
Palavras-chave: Corn ethanol; Data envelopment analysis; Economic efficiency decomposition; Marketing efficiency; Mergers; Environmental Economics and Policy.
Ano: 2011
URL: http://purl.umn.edu/101001

The Impacts of Farm Financial Structure on Production Efficiency
Provedor de dados: 31
Autores: Lambert,   David K.; Bayda,   Volodymyr V.
Farm financial structure may affect both short- and long-run input usage, thereby affecting farm efficiency.  Any inefficiencies arising from the choice of inputs can be magnified over time as credit constraints continue to affect input usage.  In a panel of 54 North Dakota crop farms, efficiency and debt structure were related.  Intermediate debt was found to be positively related to farm technical efficiency, and short-term debt was negatively associated with technical efficiency.  Use of intermediate-term debt was positively associated with farm-scale efficiency, whereas no significant relationship was found between short- and long-term debt and scale efficiency.
Tipo: Journal Article
Palavras-chave: Data envelopment analysis; Farm credit; Farm efficiency; Financial structure; Farm Management; Financial Economics; Production Economics; Q1; Q12; Q16.
Ano: 2005
URL: http://purl.umn.edu/43738

Do Field Crop Farms and Mixed Farms of Old and New EU Members Improve Productivity at the Same Rate? A Regional Level Approach
Provedor de dados: 31
Autores: Blasejczyk-Majka,   Lucyna; Kala,   Radoslaw; Maciejewski,   Krzysztof.
data contained in the Farm Accounting Data Network (FADN). Analyses covered the first four years following the extension of the European Union in 2004. The adopted units comprised average farms representing 80 regions belonging to eleven countries of EU-15 and four new EU member states. Estimation of the Malmquist total factor productivity (TFP) and its components was conducted using data envelopment analysis, separately for each of the two types of farms taking into consideration their economic size. The main findings concerning the pure technical efficiency change indicate that in the units from the old regions there was a slight improvement for field crop farms and stagnation for mixed farms, and a decrease in the units from the new regions, being...
Tipo: Conference Paper or Presentation
Palavras-chave: Data envelopment analysis; Technical efficiency change; Scale efficiency change; Malmquist index; Crop Production/Industries; Productivity Analysis.
Ano: 2011
URL: http://purl.umn.edu/114254

Economic and Marketing Efficiency Among Corn Ethanol Plants
Provedor de dados: 31
Autores: Sesmero,   Juan P.; Perrin,   Richard K.; Fulginiti,   Lilyan E.
We extend data envelopment analysis (DEA) to decompose the economic efficiency of a sample of ethanol plants into internal (technical and allocative) and boundary (marketing) sources. This decomposition allows us to evaluate the channels through which different plant characteristics affect plant performance. Results show that plants are very efficient from a technical point of view. Plants with higher production volumes seem to perform better not because of economies of scale but because they can secure more favorable prices (higher marketing efficiency) and execute production plans accordingly (higher allocative efficiency). This may rationalize the increase in the size of the average plant observed in the industry in recent years despite evidence of...
Tipo: Conference Paper or Presentation
Palavras-chave: Corn ethanol; Data envelopment analysis; Economic efficiency decomposition; Marketing efficiency; Mergers; Crop Production/Industries; Marketing; Production Economics.
Ano: 2011
URL: http://purl.umn.edu/100709

Productivity Growth, Technical Efficiency and Technical Change on Minnesota Farms
Provedor de dados: 31
Autores: 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

Technical, Allocative, and Economic Efficiency in Swedish Dairy Farms: The Data Envelopment Analysis Versus the Stochastic Frontier Approach
Provedor de dados: 31
Autores: Johansson,   Helena.
Technical, allocative, and economic input efficiency scores were estimated for an unbalanced panel of Swedish dairy farms, using data envelopment analysis (DEA) and the stochastic frontier approach (SFA). By comparing the results it was concluded that when the entire dairy farm is studied the DEA is more appropriate to use since it does not require any particular parametric form to be chosen. The average DEA technical, allocative and economic efficiency indices were eventually found to be 0.77, 0.57, and 0.43 respectively. The influence of size on the efficiency scores was analyzed and significant evidence indicating a positive relationship between size and efficiency was found. Finally it was concluded that the main challenge facing the Swedish dairy...
Tipo: Conference Paper or Presentation
Palavras-chave: Technical efficiency; Allocative efficiency; Economic efficiency; Data envelopment analysis; Stochastic frontier approach; Livestock Production/Industries; C14; C23; C24.
Ano: 2005
URL: http://purl.umn.edu/24478

A new methodology for assessing the impact of water-pricing scenarios: case study of small-scale irrigation schemes in South Africa
Provedor de dados: 31
Autores: Speelman,   Stijn; Frija,   Aymen; Farolfi,   Stefano; Buysse,   Jeroen; D'Haese,   Marijke F.C.; D'Haese,   Luc.
Worldwide growing water scarcity has increased the call for economic instruments to stimulate rational water use in agriculture. In addition cost-recovery is now widely accepted as a cornerstone of sustainable water management. As a consequence now in developing countries, where currently agricultural water use is often still heavily subsidized, a tendency exists of introducing water-pricing as a policy to achieve more sustainable water use. The exact impact of water pricing policies on irrigation water use or on the farmers’ production system is however mostly unknown. A new two-stage methodology that allows estimating at the farm level the effects of introducing or raising a water price on the agricultural production process and water demand is...
Tipo: Conference Paper or Presentation
Palavras-chave: Water-pricing; Water savings; Irrigation; Data envelopment analysis; South Africa; Resource /Energy Economics and Policy.
Ano: 2008
URL: http://purl.umn.edu/43836

Economic Efficiency of Ethanol Plants in the US North Central Region
Provedor de dados: 31
Autores: Sesmero,   Juan P.; Perrin,   Richard K.; Fulginiti,   Lilyan E.
In this study we use data envelopment analysis to decompose the overall economic efficiency of a sample of ethanol plants into three subcomponents: technical efficiency, allocative efficiency and a new component we call marketing efficiency. The relative importance of these sources of efficiency is of particular interest given the recent history of bankruptcies, plant closings and ownership change in the industry. Results reveal that observed production units are very efficient from a technical point of view as suggested by a standard deviation of 1% in technical efficiency. However, our results also show that bigger plants tend to be more economically efficient than others. The conventional methodology would have identified this difference as coming from...
Tipo: Conference Paper or Presentation
Palavras-chave: Ethanol; Data envelopment analysis; Efficiency decomposition; Marketing efficiency; Resource /Energy Economics and Policy.
Ano: 2010
URL: http://purl.umn.edu/61639

Exploring the role of fertilizer application on the sustainability of Greek potato farms: A DEA application
Provedor de dados: 31
Autores: Vasileiou,   Konstantinos Z.
Farm sustainability is becoming an increasingly important issue to European agriculture. However, fertilizer leaching to groundwater is still a major concern for Greek agriculture. The impact on the maximum potential short-run profit and yield, when fertiliser application dose is limited to certain point, was examined, using Data Envelopment Analysis (DEA). Spring potato farmers were found to apply rather high doses of chemical fertiliser, which poses high potential risk for nitrate and phosphorus leaching to groundwater. However, restricting nitrogen application to the doses recommended by agronomists would imply only little economic and yield sacrifices on potato farms,but resulting to significant reduction to potential environmental risk.
Tipo: Article
Palavras-chave: Farm management; Data envelopment analysis; Farm sustainability; Shortrun profit; Environmental Economics and Policy; Farm Management.
Ano: 2010
URL: http://purl.umn.edu/118573

How can Farmer Managerial Capacity Contribute to Improved Farm Performance? A Study of Dairy Farms in Sweden
Provedor de dados: 31
Autores: Johansson,   Helena.
This paper investigates how managerial capacity aspects influence efficiency of dairy farms in Sweden. Based on non-parametric methods, Tobit and logistic regressions, several managerial capacity aspects are found to influence long and short run input efficiency scores, but to influence output efficiency less. Examples of important aspects are: internal locus of control, positive profitability attitude, profitability perception and participation in study circles. Based on this, a way of supporting dairy farms to become more profitable is to organize educational and discussion clubs where the farmers learn from each other and form professional dairy farm advisors.
Tipo: Conference Paper or Presentation
Palavras-chave: Dairy farms; Data envelopment analysis; Decision-making; Efficiency; Logistic regression; Managerial capacity; Tobit Regression; Farm Management; Productivity Analysis.
Ano: 2007
URL: http://purl.umn.edu/9874

COST EFFICIENCY OF CATFISH FARMS IN CHICOT COUNTY, ARKANSAS: THE IMPACT OF EXTENSION SERVICES
Provedor de dados: 31
Autores: Engle,   Carole R.; Kaliba,   Aloyce R.
Cost efficiency measures of a sample of catfish farms in Chicot County, Arkansas are estimated using a data envelopment analysis technique. A measure of overall efficiency is used to determine operator's characteristics, farm practices, and institutional support services that are likely to lead to higher farm level cost efficiency. Results indicate that live catfish production could increase by 55% using the same level of inputs if all farms were operating at the minimum average cost curve. Higher feeding rate and availability of extension services were associated with increased cost efficiency. Higher stocking density affected overall efficiency negatively. The marginal value of extension contacts in Chicot County was estimated to be $2988.  This study...
Tipo: Conference Paper or Presentation
Palavras-chave: Catfish; Cost efficiency; Data envelopment analysis; And extension services; Resource /Energy Economics and Policy; C14; C24; D61.
Ano: 2004
URL: http://purl.umn.edu/34740

FACTORS AFFECTING PRODUCTION EFFICIENCY IN A NEW ALTERNATIVE ENTERPRISE: THE CASE OF THE RATITE INDUSTRY
Provedor de dados: 31
Autores: Gillespie,   Jeffrey M.; Schupp,   Alvin R.; Taylor,   Gary.
Technical efficiency measures are calculated for ratite producers using data envelopment analysis. Regression analysis is then used to determine producer characteristics that are likely to lead to higher technical efficiencies. Results indicate that the most technically efficient ratite producers in Louisiana are not producing at the benchmark efficiency level advocated by the industry. Producer experience with other livestock, specialization, and labor are factors likely to lead to higher technical efficiency. These results are expected to hold for most new, alternative livestock enterprises.
Tipo: Journal Article
Palavras-chave: Data envelopment analysis; Ratite; Technical efficiency; Livestock Production/Industries; Productivity Analysis.
Ano: 1997
URL: http://purl.umn.edu/15058

Environmental Efficiency Among Corn Ethanol Plants
Provedor de dados: 31
Autores: Sesmero,   Juan P.; Perrin,   Richard K.; Fulginiti,   Lilyan E.
Economic viability of the US corn ethanol industry depends on prices, technical and economic efficiency of plants and on continuation of policy support. Public policy support is tied to the environmental efficiency of plants measured as their impact on emissions of greenhouse gases. This study evaluates the environmental efficiency of seven recently constructed ethanol plants in the North Central region of the U.S., using nonparametric data envelopment analysis (DEA). The minimum level of GHG emissions feasible with the available technology is calculated for each plant and this level is used to decompose environmental efficiency into its technical and allocative sources. Results show that, on average, plants in our sample may be able to reduce GHG...
Tipo: Conference Paper or Presentation
Palavras-chave: Ethanol; Data envelopment analysis; Life-cycle emissions; Environmental efficiency; Shadow prices; Resource /Energy Economics and Policy.
Ano: 2010
URL: http://purl.umn.edu/61650

A Two-Stage Value Chain Model for Vegetable Marketing Chain Efficiency Evaluation: A Transaction Cost Approach
Provedor de dados: 31
Autores: Lu,   Hualiang.
We applied a two-stage value chain model to investigate the effects of input application and occasional transaction costs on vegetable marketing chain efficiencies with a farm household-level data set. In the first stage, the production efficiencies with the combination of resource endowments, capital and managerial inputs, and production techniques were evaluated; then at the second stage, the marketing technical efficiencies were determined under the marketing value of the vegetables for three typical marketing chains in Nanjing area, P.R. China. The impacts of the transaction costs to the supply chain technical efficiency both at the production and marketing stages were examined by using Tobit model. Study showed that transaction costs significantly...
Tipo: Conference Paper or Presentation
Palavras-chave: Two-stage value chain model; Data envelopment analysis; Technical efficiency; Transaction cost; Vegetable; China; Industrial Organization; D1; D8; Q13; Q18.
Ano: 2006
URL: http://purl.umn.edu/25327

Analyzing Differences in Rural Hospital Efficiency: A Data Envelopment Analysis Approach
Provedor de dados: 31
Autores: Nedelea,   I. Cristian; Fannin,   James Matthew; Barnes,   James N.
This study analyzes difference in efficiency among the U.S. rural hospitals using a two-stage, semi-parametric approach. Data Envelopment Analysis is used in the first stage to calculate cost, technical and allocative efficiencies of Critical Access Hospitals (CAH) and non-CAH rural hospitals. Following Simar and Wilson (2007), bootstrapped truncated regressions are used in the second stage to infer on relationship between the cost, technical and allocative inefficiencies of hospitals and some environmental variables. The estimated results show that CAHs are less cost, technical and allocative efficient than non-CAH rural hospitals. The results also show that Medicare cost-based reimbursement for CAHs has a negative effect on the efficiency of these...
Tipo: Conference Paper or Presentation
Palavras-chave: Efficiency; Two-stage; Semi-parametric; Bootstrap; Data envelopment analysis; Health Economics and Policy; I12; I18.
Ano: 2010
URL: http://purl.umn.edu/61391

USING DEA TO EVALUATE EFFICIENCY OF HIGHER EDUCATION
Provedor de dados: 31
Autores: Toth,   Reka.
The aim of the higher education reform process both in Hungary and in the European countries is establishing a competitive, qualitative higher education with efficiently operating institutions. The question of efficiency needs increased attention not only because of the decline of the state support but also the rapid raise of the student mass. In the education system it’s not easy to measure the output of the services. The situation is more complicated if an organisation or a sector has multiple inputs and outputs. In this case a possible method of determining efficiency is Data Envelopment Analysis. In my paper I’d like to introduce this method and use it to compare the efficiency of higher education systems. Furthermore I am examining whether their...
Tipo: Journal Article
Palavras-chave: Higher education; Production efficiency; Data envelopment analysis; Tobit regression; Sensitivity; Agribusiness; Agricultural and Food Policy; Productivity Analysis; Teaching/Communication/Extension/Profession.
Ano: 2009
URL: http://purl.umn.edu/53548

Measurement and Explanation of Technical Efficiency Performance in Ukrainian Agriculture, 1991-1996
Provedor de dados: 31
Autores: Murova,   Olga I.; Trueblood,   Michael A.; Coble,   Keith H.
The present study examines technical efficiency patterns in Ukraine’s crop sector for 1991-1996.  The economic and policy environment in Ukraine has changed since reform began in 1991.  Many policy changes have exerted offsetting economic pressures on efficiency.  Enterprise privatization and the liberalization of prices and trade put upward pressure on technical efficiency, whereas start-stop land privatization efforts, unpredictable government intervention, and slow developments in the credit and labor markets put downward pressure on efficiency.  We found that technical efficiency appears to have improved slightly over the 1991-1996 period, suggesting that the positive forces had more impact.
Tipo: Journal Article
Palavras-chave: Data envelopment analysis; Enterprise privatization; Inefficiency; Price liberalization; Productivity; Stochastic frontier analysis; Technical efficiency; D29; E23; E66; O38; P32.
Ano: 2004
URL: http://purl.umn.edu/43430

Efficiency and productivity change of Estonian dairy farms from 2001 - 2009
Provedor de dados: 31
Autores: Luik,   Helis; Omel,   Raul; Viira,   Ants-Hannes.
The purpose of this paper is to analyse productivity change of Estonian dairy farms during the period 2001-2009. Data envelopment analysis (DEA) was used to estimate the technical efficiency of producers and Malmquist productivity index for analysis of productivity change. Estonian FADN data was used in analysis. Performed analysis indicated that Estonian EU accession in 2004 increased considerably total factor productivity. Farm gate milk prices have considerable effect on total factor productivity change. Number of cows and milk yield has positive and dependence on subsidies, stocking density and capital to working hours ratio have negative effects on total factor productivity change.
Tipo: Conference Paper or Presentation
Palavras-chave: Malmquist productivity index; Technical efficiency; Technical change; Data envelopment analysis; Dairy production; Livestock Production/Industries; Productivity Analysis.
Ano: 2011
URL: http://purl.umn.edu/114583

Monitoring Inefficiency in Public Education
Provedor de dados: 31
Autores: Saito,   Yoshie; McIntosh,   Christopher S.
The efficiency of public education is examined using a cost indirect output distance function.  Efficiency estimates are obtained using data envelopment analysis applied to data from Georgia public schools.  Georgia school districts utilize educational budgets with reasonable efficiency, achieving an overall efficiency of 98% with a range of 93%-100%.  If all school districts were 100% efficient, outputs could be expanded 2%.  This could be achieved by increasing funding $75.46 million state-wide in total for each of the 3 years.  From the consumers’ (voters) point of view, this result suggests that inefficiency costs Georgia, on average, a total of $226.38 million from 1994 to 1996.
Tipo: Journal Article
Palavras-chave: Cost-indirect output distance function; Data envelopment analysis; Education; Efficiency; H72; I21; I28; C60.
Ano: 2003
URL: http://purl.umn.edu/43197

Voluntary Agreements and the Environmental Efficiency of Participating Farms
Provedor de dados: 31
Autores: Roosen,   Jutta; Ordonez,   Andrea.
Voluntary environmental agreements have been popular with government agencies in several countries. However, many questions remain about their efficiency as a regulatory tool. Recent analyses suggest that they are more effective than conventional regulatory or economic approaches when dealing with diffuse pollution and when innovation processes at the source are necessary to define effective regulation. This paper applies an activity-based framework to assess the contribution of such a voluntary agreement to the environmental performance of farms participating in a whole farm plan in the Southern part of Belgium. Using a cross-section of 52 farms, our results show that farms entering into environmental agreements are environmentally more efficient than...
Tipo: Conference Paper or Presentation
Palavras-chave: Agri-environmental indicators; Data envelopment analysis; Environmental efficiency; Voluntary agreements; Whole farm plan; Environmental Economics and Policy; C14; Q12; Q2.
Ano: 2002
URL: http://purl.umn.edu/24897

Does Farm Size and Specialization Matter for Productive Efficiency?  Results from Kansas
Provedor de dados: 31
Autores: Mugera,   Amin W.; Langemeier,   Michael R.
In this article, we used bootstrap data envelopment analysis techniques to examine technical and scale efficiency scores for a balanced panel of 564 farms in Kansas for the period 1993–2007. The production technology is estimated under three different assumptions of returns to scale and the results are compared. Technical and scale efficiency is disaggregated by farm size and specialization. Our results suggest that farms are both scale and technically inefficient. On average, technical efficiency has deteriorated over the sample period. Technical efficiency varies directly by farm size and the differences are significant. Differences across farm specializations are not significant.
Tipo: Journal Article
Palavras-chave: Bootstrap; Data envelopment analysis; Efficiency; Farms; Farm Management; Production Economics; D24; Q12.
Ano: 2011
URL: http://purl.umn.edu/117947

What is the Effect of Operational Managerial Practices on Dairy Farm Efficiency? Some Results from Sweden
Provedor de dados: 31
Autores: Johansson,   Helena; Ohlmer,   Bo.
The article aims to investigate how operational managerial practices can contribute to improved farm level efficiency at dairy farms. Operational managerial practices are defined as animal health, breeding, and feeding practices. The main contribution of the article is that it investigates aspects that can be adjusted every day to improve farm efficiency. Aspects describing each of the considered managerial practices are regressed on farm level data envelopment efficiency scores based on farm level data from Sweden. The results show that changes in breeding and feeding practices can lead to improved efficiency. Breeding exactly the number of heifers that is needed for replacement of the dairy cows negatively affects long-run technical efficiency. On the...
Tipo: Conference Paper or Presentation
Palavras-chave: Allocative efficiency; Dairy farms; Data envelopment analysis; Economic efficiency; Operational managerial practices; Technical efficiency; Tobit regression; Sweden; Livestock Production/Industries; Productivity Analysis.
Ano: 2007
URL: http://purl.umn.edu/9845

TECHNICAL AND SCALE EFFICIENCIES FOR CHINESE RURAL CREDIT COOPERATIVES: A BOOTSTRAPPING APPROACH IN DATA ENVELOPMENT ANALYSIS
Provedor de dados: 31
Autores: Dong,   Fengxia; Featherstone,   Allen M.
Chinese rural credit cooperatives (RCCs) are a major supplier of credit to the rural sector in the country. However, Chinese RCCs are currently encountering operating problems, and an experimental reform is being carried out to restructure and reform the RCCs. In order to have some idea about the efficacy of reform, it is important to have an understanding of the institutional economics underlying the delivery of rural credit in China. This paper evaluates pure technical efficiency, overall technical efficiency, and scale efficiencies for RCCs in China using nonparametric techniques. The use of a bootstrap algorithm is proposed to perform inference for efficiency measures.
Tipo: Working or Discussion Paper
Palavras-chave: Bootstrapping; Chinese rural credit cooperatives; Data envelopment analysis; Scale efficiency; Technical efficiency; Agricultural Finance.
Ano: 2004
URL: http://purl.umn.edu/18597

The Relative Cost Efficiencies of Commercial Banks, Rural Financial Institutions, and Microfinance Institutions in China
Provedor de dados: 31
Autores: Wu,   Ya; Escalante,   Cesar L.; Gunter,   Lewell F.
This study employed data envelopment analysis (DEA) to evaluate the comparative efficiency performance of selected commercial banks, rural financial institutions and microfinance institutions in China.  The first pairwise comparison indicated that commercial banks achieved higher level of overall technical efficiency, pure technical efficiency and scale efficiency than rural financial institutions (including RCCs) through the study period (2004-2007).  Overall technical inefficiency seems to be more attributed to  scale inefficiency rather than pure technical inefficiency for both commercial banks and rural financial institutions. The second pairwise comparison indicated that RCCs and CFPA are the most efficient institutions with efficiency scores of 1...
Tipo: Conference Paper or Presentation
Palavras-chave: Microfinance; China; Data envelopment analysis; Technical inefficiency; Scale efficiency; Agricultural Finance.
Ano: 2010
URL: http://purl.umn.edu/61158

Technical and Economic Efficiency of Laying Hen Farms in Konya, Turkey
Provedor de dados: 89
Autores: Dogan,N; Kaygisiz,F; Altinel,A.
ABSTRACT This study was carried out to determine the technical and economic efficiency levels of laying hen farms and factors affecting the efficiency scores. For this purpose, a personal interview was carried out. Technical and economic data of 39 laying hen farms consisting their inputs and outputs over the period 2013-2015 was formed the material of this study. Efficiency levels were estimated by using Data Envelopment Analysis (DEA). Mean technical efficiency score of the enterprises were determined as 98.6%. Also 48.7% of the enterprises were determined fully technical efficient. On the other hand, mean economic efficiency of the enterprises was determined as 88.8%, while only 17.9% of the enterprises were fully economic efficient. In order to...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Data envelopment analysis; Economic analysis; Efficiency; Laying hens; Tobit regression.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2018000200263

Using nonparametric analysis (DEA) for measuring technical efficiency in poultry farms
Provedor de dados: 89
Autores: Heidari,MD; Omid,M; Akram,A.
The objective of this study was to determine the economic efficiency of resource utilization in broiler production farms using a non-parametric production function, data envelopment analysis (DEA). Data for the analysis were collected from a cross section of 44 farmers using a multi-stage sampling procedure. In DEA models the farmers that produce their level of output with the least amount of input serve as benchmarks against which the input use inefficiency of all other farmers can be measured. The total variable costs, net return and benefit cost ratio were calculated to be 3506.29 $ (1000 bird)-1, 1386.53 $ (1000 bird) -1 and 1.38, respectively. The average values of technical and scale efficiencies of farmers were found to be 0.92 and 0.93. The results...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Data envelopment analysis; Economic; Feed cost; Poultry farms; Technical efficiency.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2011000400009

Factors affecting the performance of Pantaneiro horses
Provedor de dados: 96
Autores: Souza,Geraldo da Silva e; Gomes,Eliane Gonçalves; Santos,Sandra Aparecida; Rezende,Adalgiza Souza Carneiro de; Andrade,Débora Roque de Freitas; Nogueira,Márcia Furlan; Trigo,Pablo; Abreu,Urbano Gomes Pinto de.
ABSTRACT This study aimed to assess the physical performance of Pantaneiro horses with and without equine infectious anemia (EIA) under functional conditions of cattle management. The horses were subjected to a performance test and split into two groups according to a completely randomized design: animals were chosen from populations testing positive and negative for EIA. Performance was measured as a function of a data envelopment analysis (DEA) model considering four outputs and one unitary input. The output measures were the distance achieved in the performance test, hematocrit as a weighted average over the test duration, respiratory rate as weighted average over the test duration, and the level of lactic acid at the test termination. Weights for the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Covariance analysis; Data envelopment analysis; Equine infectious anaemia; Experimental design; Multivariate analysis.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982018000100502

Technical efficiency of goat farming in Turkey: a case study of Isparta province
Provedor de dados: 96
Autores: Gül,Mevlüt; Demircan,Vecdi; Yilmaz,Hasan; Yilmaz,Hilal.
ABSTRACT This study estimates the technical efficiency of goat rearing in the province of Isparta in Turkey using Data Envelopment Analysis (DEA). The data used were collected from 92 goat farmers using the stratified sampling method by means of a questionnaire. The technical efficiency of the goat farming varied widely between 0.13 and 1.00. The mean efficiency of 92 goat farms was calculated to be 0.44 and 0.66 for constant and variable returns to scale assumptions, respectively. The greatest slacks were in feedstuff concentrates and labour used. The most significant factors affecting efficiency of goat production were farmer experience, cooperative membership, milk yield per goat, and family and hired labour. Technical efficiency should be improved by...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Characteristic; Data envelopment analysis; Farm; Socio-economics.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982016000600328

Water Total Factor Productivity Growth of Rice and Corn Crops Using Data Envelopment Analysis – Malmquist Index (West Timor, Indonesia)
Provedor de dados: 111
Autores: Koehuan, Jonathan; Suharto, Bambang; Djoyowasito, Gunomo; Susanawati, Liliya.
This study aims to estimate staple food water productivity based on crop water use and subsequently aimed to analyze the total factor productivity growth using DEA-MI methods. The secondary panel data from 2000-2015 regarding climate data, main food harvested areas and main food production were applied. The results show that despite higher dependencies on rainwater, staple food production used a small part of the volume. Staple food water productivity showed a fluctuation and positive trends, falling in the range of global estimates but still below the upper value. The single input-single output analysis showed that the mean annual TFP growth of WPPaddy and WPCorn was positive, mainly due to technology change (TEC) rather than the decrease in efficiency...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Crop water; Data envelopment analysis; Malmquist index; Water productivity.
Ano: 2020
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/5881

Modeling and optimization of energy consumption for grape fruit productionin  Iran
Provedor de dados: 111
Autores: qasemi kordkheili, peyman.
Grape fruit production has increasing rate in recent years. In this study a non-parametric method of Data Envelopment Analysis (DEA) has used to estimate the energy efficiency of grape fruit production orchards in Sari region of Iran. Additionally, the impacts of energy inputs on grape fruit yield were determined. Data were collected using a face-to-face questionnaire method from 71 orchardists in winter 2014. The results showed that the total energy consumption was 49.8 GJ ha–1 and chemical fertilizers by 28% of this quantity had highest share on total input energy. The results of CCR and BCC models of DEA showed that from total of 71 orchardists, only 21 orchards were technical efficient by efficiency score of 1 and 43 orchards were pure technical...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Data envelopment analysis; Energy indices; Energy saving; Grape fruit production.
Ano: 2015
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3020

Application of nonparametric method to improve energy productivity and CO2 emission for barley production in Iran
Provedor de dados: 111
Autores: Ghasemi Mobtaker, Hassan; Taki, Morteza; Salehi, Marzie; Zarei Shahamat, Ebrahim.
The nonparametric method of data envelopment analysis (DEA) was used to investigate the energy efficiency and CO2 emission of barley farm in Hamedan province of Iran.  The method was used based on eight energy inputs including human labor, machinery, diesel fuel, fertilizers, farmyard manure, biocide, electricity and seed energy and single output of barley yield and technical, pure technical, scale and cross efficiencies were calculated using CCR and BCC models.  The results showed that the average values of technical, pure technical and scale efficiency scores of farmers were 0.788, 0.941 and 0.833, respectively.  Also, energy saving target ratio for barley production was calculated as 11.45%, indicating that by following the recommendations of this...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Data envelopment analysis; Energy saving; Barley; Chemical fertilizers.
Ano: 2013
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/2618

Technical efficiency analysis of marine shrimp farming (Litopenaeus vannamei) in biofloc and conventional systems: A case study in northeastern Brazil
Provedor de dados: 42
Autores: REGO,MARCELO A.S.; SABBAG,OMAR J.; SOARES,ROBERTA B.; PEIXOTO,SILVIO.
Abstract Shrimp farming has a great ecological, economic, and social importance in northeastern Brazil. Although the conventional farming system is widely used, biofloc technology (BFT) system has been developed to reduce environmental impacts and optimizing the production. Thus,the present study evaluated the technical efficiency of production cycles of Litopenaeus vannamei in conventional and BFT systems.We analyzed 48 production cycles in the conventional system in 2013 and 2014 and 9 cycles in the BFT system in 2014 through data envelopment analysis (DEA). The inputs corresponded to the population density (post-larvae m-2), amount of feed (kg ha-1 cycle-1), labor (man ha-1) and power supply (HP ha-1), whereas the yield (kg ha-1 cycle-1) was considered...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Data envelopment analysis; Inefficiency; Productive systems; Shrimp farming.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000703705