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	Provedor de dados AgEcon (15) Autor Huang, Jikun (2) Kurkalova, Lyubov A. (2) Ma, Hengyun (2) Rozelle, Scott (2) Acda, Rachelle (1) Asadullah, M. Niaz (1) Cabrera, Victor E. (1) Carriquiry, Alicia L. (1) Che, Tuong Nhu (1) Coelli, Tim J. (1) Fleming, Euan M. (1) Fotopoulos, Christos (1) Frechette, Darren L. (1) Fulginiti, Lilyan E. (1) Fuller, Frank H. (1) Hussain, Muhammad Sajid (1) Jaenicke, Edward C. (1) Jensen, Helen H. (1) Kompas, Tom (1) Kovae, S. (1) Mais... Palavra-chave Stochastic production frontier (15) Productivity Analysis (6) Crop Production/Industries (4) Livestock Production/Industries (4) Technical efficiency (4) Production Economics (3) China (2) Cotton (2) Efficiency (2) Total factor productivity (2) Adjusted panel data (1) Agribusiness (1) Agriculture (1) And cotton farms. (1) Australian dairy farms (1) Bangladesh (1) Bayesian estimation (1) Bounded learning-by-doing (1) Cobb-Douglas production function (1) Colombian food manufacturing industry (1) Mais... Tipo do documento Conference Paper or Presentation (6) Journal Article (5) Working or Discussion Paper (3) Presentation (1) Ano 2011 (1) 2010 (3) 2009 (1) 2008 (1) 2006 (2) 2005 (2) 2003 (1) 2001 (1) 2000 (2) 1999 (1) Mais... País United States (15) Idioma Inglês (15)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 15 Primeira ... 1 ... Última Adoption of a New Maize and Production Efficiency in Western Kenya AgEcon Mignouna, D.B.; Mutabazi, K.D.S.; Senkondo, E.M.; Manyong, Victor M.. Declining yields of maize as a result of Striga infestation has necessitated a new technology known as Imazapyr-resistant maize (IRM) to contain the problem. As a result, research and development initiatives with substantial participation of the private sector to transfer this new technology to farmers have been made in western Kenya. This study therefore assesses the adoption of IRM variety and efficiency levels of farmers in western Kenya. A multi-stage sampling technique was used to select a total of 600 households from Nyanza and Western provinces for this study. Tobit model and stochastic production frontier analysis were the analytical methods. Results show that age, education, maize production gap, risk, contact with extension agents, lack of seeds,... Tipo: Journal Article Palavras-chave: IRM technology; Efficiency; Stochastic production frontier; Tobit model; Crop Production/Industries. Ano: 2010 URL: http://purl.umn.edu/96160 An Analysis of the Technical Efficiency of Cotton Farmers in the Punjab province in Pakistan AgEcon Hussain, Muhammad Sajid; Coelli, Tim J.; Simmons, Phil. In this paper we analyse the technical efficiency of cotton farmers in the Punjab Province in Pakistan. Technical efficiency is measured relative to a stochastic frontier production function (SFPF). The estimated model includes a function in which technical efficiency is made an explicit function of firm specific factors (involving the levels of education and experience of farmers and other factors). For the purpose of analysis, survey data was collected for the 1996-97 season. Analysis is done on a district basis and the mean technical efficiencies obtained are 76, 78, 77 and 83 per cent for the districts of Arifwala, Bahawalpur, Multan and Rahim Yar Khan respectively. This study suggests that there is considerable room for productivity gains for the... Tipo: Presentation Palavras-chave: Technical efficiency; Stochastic production frontier; And cotton farms.; Crop Production/Industries; Productivity Analysis. Ano: 1999 URL: http://purl.umn.edu/123815 Bayesian Estimation of Technical Efficiency of a Single Input AgEcon Kurkalova, Lyubov A.; Carriquiry, Alicia L.. We propose estimation of a stochastic production frontier model within a Bayesian framework to obtain the posterior distribution of single-input-oriented technical efficiency at the firm level. The proposed method is applicable to the estimation of environmental efficiency of agricultural production when the technology interaction with the environment is modeled via public inputs such as soil quality and environmental conditions. All computations are carried out using Markov chain Monte Carlo methods. We illustrate the approach by applying it to production data from Ukrainian collective farms. Tipo: Working or Discussion Paper Palavras-chave: Stochastic production frontier; Bayesian estimation; Input efficiency; Environmental efficiency; Crop Production/Industries. Ano: 2000 URL: http://purl.umn.edu/18545 Bounded Learning Efficiency and Sources of Firm Level Productivity Growth in Colombian Food Manufacturing Industry AgEcon Shee, Apurba; Stefanou, Spiro E.. The measurement of productivity fluctuations has been the focus of decades-long interest. In addition to broad structural forces driving productivity changes, there is more recent interest in measuring and identifying the heterogeneous forces driving these changes. A major force is learning-by-doing which is used by economists to describe the phenomenon of productivity growth arising from the accumulation of production experience by a firm. This paper proposes a bounded learning concept with the learning progress function characterized by the degree of efficiency and the specification of the learning progress as a logistic function capturing both the slow start-up and the limit in learning progress. The inter-firm learning inefficiency is defined as the... Tipo: Conference Paper or Presentation Palavras-chave: Colombian food manufacturing industry; Bounded learning-by-doing; Learning efficiency; Logistic differential equation; Technical efficiency; Firm-level productivity growth; Decomposition of productivity change; Endogeneity of input choice; Stochastic production frontier; Agribusiness; Industrial Organization; Production Economics; Productivity Analysis. Ano: 2011 URL: http://purl.umn.edu/103898 Chinese Regional Agricultural Productivity: 1994-2005 AgEcon Tong, Haizhi; Fulginiti, Lilyan E.; Sesmero, Juan P.. Replaced with revised version of paper 07/24/09. Tipo: Journal Article Palavras-chave: TFP growth; Stochastic production frontier; Malmquist index; Provincial TFP.; Productivity Analysis; O4; O5; Q1. Ano: 2009 URL: http://purl.umn.edu/51784 COMPARISON OF AGRICULTURAL FARM EFFICIENCY IN SLOVAK REGIONS BEFORE AND AFTER EU ACCESSION AgEcon Sojkova, Z.; Kropkova, Z.; Kovae, S.. This paper presents results of stochastic parametric approach used in estimation of farm technical efficiency. The estimation of output oriented technical efficiency was based on Stochastic Frontier analysis with Cobb-Douglas production function. Model specification for empirical application were employed Battese and Coelli 1995 model specification, where technical inefficiency effects are explicitly expressed as a function of a vector of firm-specific variables and random error and integrated in the stochastic frontier model. Model also included dummy variable which expressed production conditions in which Slovak farms are operating. We divided farms into two groups of production conditions: productive regions (PR) and less favorable area (LFA) regions.... Tipo: Conference Paper or Presentation Palavras-chave: Less favorable area (LFA); Subsidy; Stochastic production frontier; Panel data; Output – oriented technical efficiency; Cobb-Douglas production function; Production Economics; Research Methods/ Statistical Methods. Ano: 2008 URL: http://purl.umn.edu/6462 ECONOMIC EFFICIENCY IN ORGANIC FARMING: EVIDENCE FROM COTTON FARMS IN VIOTIA, GREECE AgEcon Tzouvelekas, Vangelis; Pantzios, Christos J.; Fotopoulos, Christos. Using recent advances in the stochastic production frontier framework, this paper presents an empirical analysis of technical, allocative and economic efficiency of a sample of organic and conventional cotton farms located in Greece. The results suggest that both farm types in the sample examined are technically, allocatively and economically inefficient. Farmer's age and education and farm size are important factors in explaining differentials in efficiency estimates. In comparative terms, organic farms exhibit lower efficiency scores vis-à-vis their conventional counterparts in terms of technical and economic efficiency; regarding allocative efficiency both farm types are almost equally inefficient. Low efficiency scores in both types of farming may... Tipo: Journal Article Palavras-chave: Cotton; Efficiency; Organic farming; Stochastic production frontier; Productivity Analysis. Ano: 2001 URL: http://purl.umn.edu/15288 Estimating Production Risk and Inefficiency Simultaneously: An Application to Cotton Cropping Systems AgEcon Jaenicke, Edward C.; Frechette, Darren L.; Larson, James A.. By using a stochastic frontier framework, the mutual effect of input use on production risk and inefficiency is investigated. Disentangling this mutual effect proves important for empirical reasons, at least when applied to west Tennessee cotton systems grown after various cover crops. The most striking result is that the stochastic frontier model, when compared with a typical Just-Pope model, reorders the relative riskiness of cover-crop regimes associated with the cotton systems. Tipo: Journal Article Palavras-chave: Cotton; Inefficiency; Just-Pope; Production risk; Stochastic production frontier; Production Economics. Ano: 2003 URL: http://purl.umn.edu/31059 Farm Productivity and Efficiency in Rural Bangladesh: The Role of Education Revisited AgEcon Asadullah, M. Niaz; Rahman, Sanzidur. This paper reassesses the debate over the role of education in farm pro duction in Bangladesh using a large dataset on rice producing hous eholds from 141 villages. Average and stochastic production frontier functions are estimated to ascertain the effect of education on productivity and efficiency. A full set of proxies for farm education stock variables are incorporated to investigate the 'internal' as well as 'external' returns to education. The external effect is investigated in the context of rural neighborhoods. Our analysis reveals that in addition to raising rice productivity and boosting potential output, household education significantly reduces production inefficiencies. However, we are unable to find any evidence of externality benefit of... Tipo: Conference Paper or Presentation Palavras-chave: Agriculture; Returns to education; Stochastic production frontier; Bangladesh; Labor and Human Capital; Productivity Analysis; I21; Q12; N5. Ano: 2006 URL: http://purl.umn.edu/25482 Livestock in China: Commodity specific total factor productivity decomposition using new panel data AgEcon Rae, Allan N.; Ma, Hengyun; Huang, Jikun; Rozelle, Scott. Studies of total factor productivity in livestock production are rare, but when available provide useful information especially in the context of developing countries such as China where livestock is becoming more important in the domestic agricultural economy. We estimate total factor productivity (TFP) for four major livestock products in China employing the stochastic frontier approach, and decompose productivity growth into its technical efficiency and technical progress components. Efforts are made to adjust and augment the available livestock statistics. The results show that growth in TFP and its components varied between the 1980s and the 1990s as well as over production structures. While there is evidence of considerable technical innovation in... Tipo: Conference Paper or Presentation Palavras-chave: Stochastic production frontier; Total factor productivity; Technical efficiency and progress; China; Livestock; Adjusted panel data; Livestock Production/Industries; D240; Q100; Q160. Ano: 2005 URL: http://purl.umn.edu/19527 METAFRONTIER ANALYSIS OF FARM-LEVEL EFFICIENCIES AND ENVIRONMENTAL-TECHNOLOGY GAPS IN PHILIPPINE RICE FARMING AgEcon Mariano, Marc Jim; Villano, Renato A.; Fleming, Euan M.; Acda, Rachelle. Rice producers in the Philippines operate in different physical environments that are largely beyond their control, especially in terms of the agroclimatic conditions they face. Each rice area requires a unique set of location-specific technologies to match its location-specific needs. The rice production frontier is expected to vary, depending on the degree of yield-enhancing interventions implemented by the government and adopted by farmers. Understanding differences in specific production frontiers in different production systems should provide better assessments of yield performance across different locations and enable rice scientists to develop location-specific technologies as well as disseminate appropriate technologies to farmers in different... Tipo: Conference Paper or Presentation Palavras-chave: Technical efficiency; Technology gap; Metafrontier; Stochastic production frontier; Philippine rice farming productivity; International Development. Ano: 2010 URL: http://purl.umn.edu/59099 Technical Efficiency of Grain Production in Ukraine AgEcon Kurkalova, Lyubov A.; Jensen, Helen H.. A stochastic production frontier model with technical inefficiency effects is estimated on a representative sample of Ukrainian state and collective grain-producing farms. Technical efficiency declined from 1989 to 1992. More experienced managers were found to be more productive, with the effect of experience diminishing with age. We found that on-farm provision of production infrastructure was associated with higher efficiency, a result supporting the hypothesis that disorganization causes output to decline in transition economies. Tipo: Working or Discussion Paper Palavras-chave: Technical efficiency; Stochastic production frontier; Economies in transition; Grain production; Disorganization hypothesis; Crop Production/Industries. Ano: 2000 URL: http://purl.umn.edu/18615 Technology choice and efficiency on Australian dairy farms AgEcon Kompas, Tom; Che, Tuong Nhu. Deregulation of the Australian dairy industry, specifically the removal of price subsidies to ‘market milk’, as well as ongoing drought in many dairy regions, has placed considerable pressure on farm cash income and a search for ways in which dairy farms can be made to operate more efficiently. Using traditional farm survey data and a unique biannual data set on farm technology use, this paper estimates a stochastic production frontier and technical efficiency model for dairy farms in New South Wales and Victoria, determining the relative importance of each input in dairy production, the effects of key technology variables on farm efficiency, and overall farm profiles based on the efficiency rankings of dairy producers. Results show that production... Tipo: Journal Article Palavras-chave: Australian dairy farms; Dairy production and efficiency; Dairy technology; Stochastic production frontier; Livestock Production/Industries. Ano: 2006 URL: http://purl.umn.edu/116921 The Effect of Traditional Practices in the Efficiency of Dairy Farms in Wisconsin AgEcon Cabrera, Victor E.; Solis, Daniel; del Corral, Julio. The US dairy sector is facing structural changes including a geographical shift in dairy production and a tendency towards the implementation of more intensive production systems. These changes might significantly affect farm efficiency, profitability and the long-term economic sustainability of the dairy sector, especially in more traditional dairy production areas. Consequently, the goal of this study was to examine the impact of practices commonly used by dairy farmers and the effect of intensification on the performance of the farms. We used a sample of 273 Wisconsin dairy farms to estimate a stochastic production frontier simultaneously with a technical inefficiency model. The empirical analysis showed that at a commercial level the administration of... Tipo: Conference Paper or Presentation Palavras-chave: Technical inefficiency; Stochastic production frontier; Intensification; Livestock Production/Industries; Productivity Analysis. Ano: 2010 URL: http://purl.umn.edu/55373 The Rapid Rise of China's Dairy Sector: Factors Behind the Growth in Demand and Supply AgEcon Fuller, Frank H.; Huang, Jikun; Ma, Hengyun; Rozelle, Scott. With the rapid growth in China's dairy industry, a number of recent papers have addressed either the supply or the demand trends for dairy products in China. None, however, presents a systematic explanation for the recent growth in both the supply and demand for dairy products. The goal of this paper is to sketch a more comprehensive picture of China's dairy sector and to assess the nature of the sector's development in the coming decades. Drawing upon several empirical studies, we examine the trends in dairy product consumption to create a composite picture of the factors underlying the recent growth. We also empirically investigate the sources of production gains in milk supply and assess the relative importance of expanding herd size, changes in the... Tipo: Working or Discussion Paper Palavras-chave: China; Consumption; Dairy; Milk supply; Stochastic production frontier; Total factor productivity; Livestock Production/Industries. Ano: 2005 URL: http://purl.umn.edu/18456 Registros recuperados: 15 Primeira ... 1 ... Última

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