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Author (up) Abad, C.; Thore, S.A.; Laffarga, J. doi  openurl
  Title Fundamental analysis of stocks by two-stage DEA Type Journal Article
  Year 2004 Publication Managerial and Decision Economics Abbreviated Journal  
  Volume 25 Issue 5 Pages 231-241  
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  Abstract Fundamental analysis of stocks links financial data to firm value in two consecutive steps: a predictive information link tying current financial data to future earnings, and a valuation link tying future earnings to firm value. At each step, a large number of causal factors have to be factored into the evaluation. To effect these calculations, we propose a new two-stage multi-criteria procedure, drawing on the techniques of data envelopment analysis. At each stage, a piecewise linear efficiency frontier is fitted to the observed data. The procedure is illustrated by a numerical example, analyzing some 30 stocks in the Spanish manufacturing industry in the years 1991-1996.  
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  Call Number Admin @ admin @ AbadThoreLaffarga2004 Serial 2498  
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Author (up) Abay, C.; Miran, B.; Günden, C. doi  openurl
  Title An Analysis of Input Use Efficiency in Tobacco Production with Respect to Sustainability: The Case Study of Turkey Type Journal Article
  Year 2004 Publication Journal of Sustainable Agriculture Abbreviated Journal  
  Volume 24 Issue 3 Pages 123-143  
  Keywords Technical efficiency; input use; Data Envelopment Analysis (DEA ); sustainability tobacco  
  Abstract The purpose of this paper is to analyze the efficiency of input use in tobacco production in Turkey with respect to sustainability. In the construction of cross sectional data, the provinces in the Aegean, Northwestern, Eastern-Southeastern Anatolian and Black Sea regions were considered. Face to face interviews were carried out with 300 farmers from the provinces which together produce at least 75% of regional tobacco output. Efficiency measures of tobacco farms in each region were calculated by Data Envelopment Analysis (DEA). Efficiency measures obtained from constant return to scale DEA were then decomposed into pure technical efficiency and scale efficiency. Total tobacco production (in kg) was used as the output indicator, and land (ha), labor (hours), tractor use (hours), nitrogen (kg), phosphorus (kg) and pesticide (kg) were considered as the main inputs. Econometric models were developed in order to determine the factors that affect the efficiency of regional tobacco production. The average technical efficiency score for all regions was found to be 0.456, implying that the same level of production per plots can be obtained even if the inputs used for tobacco production are decreased by 54.4%. Although none of the regions is completely efficient in tobacco production, the Eastern-Southeastern Region, which obtained the highest pure technical efficiency and scale efficiency scores, turned out to be relatively more successful in input use. Considering all regions together, the inefficiency did not seem to result from non-optimal production, but instead from the failure to produce a given level of output with the minimum amount of inputs possible. The results also indicated a strong positive relationship between the efficiency of input use and the sustainability of agriculture.  
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  Call Number Admin @ admin @ AbayMiranGunden2004 Serial 2499  
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Author (up) Abbott, M. doi  openurl
  Title The productivity and efficiency of the Australian electricity supply industry Type Journal Article
  Year 2006 Publication Energy Economics Abbreviated Journal  
  Volume 28 Issue 4 Pages 444-454  
  Keywords Technical efficiency; Scale efficiency; Data Envelopment Analysis (DEA ); Total factor productivity  
  Abstract Australia’s electricity supply industry has been through a period of reform over the last 10 years. The purpose of this paper is to analyse the changes that have occurred to the Australian electricity supply industry over the past 30 years, in order to evaluate to what degree these reforms have improved the productivity and efficiency performance of the industry.  
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  Call Number Admin @ admin @ Abbott2006 Serial 3189  
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Author (up) Abbott, M. doi  openurl
  Title The restructuring of Australian railways: The case of the Tasmanian railways Type Journal Article
  Year 2001 Publication Australian Economic History Review Abbreviated Journal  
  Volume 41 Issue 2 Pages 198-212  
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  Abstract In this paper, the restructuring of the Tasmanian railways is analysed over the period 1967 to 1997. The Tasmanian railways have gone through a considerable restructuring process over the past 30 years, culminating in 1997 when the system was privatized. Not only have productivity levels been increased greatly, but various organizational structures been experimented with.  
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  Call Number Admin @ admin @ Abbott2001 Serial 1749  
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Author (up) Abbott, M.; Cohen, B. doi  openurl
  Title Productivity and efficiency in the water industry Type Journal Article
  Year 2009 Publication Utilities Policy Abbreviated Journal  
  Volume 17 Issue 3-4 Pages 233-244  
  Keywords Productivity; Efficiency; Wastewater; Water supply  
  Abstract Over the past twenty years there has been increasing interest in the productivity and efficiency of, and the optimal structures for, the water supply and wastewater industries. In part this interest has manifested itself in the increased use of numerous statistical techniques to determine the productivity and efficiency of the water sector in a variety of countries. The purpose of this paper is threefold. First it briefly reviews the various measures that have been used to gauge the levels of productivity and efficiency in the water sector, with particular reference to input and output data requirements of these measures. Second it summarises the key structural findings that have been determined from this research, particularly with respect to economies of scale and scope, public versus private ownership and the impact of regulation. Third, it considers potential areas for potential future research, such as the effect of environmental management activities (including water conservation) and regulation on productivity and efficiency, the role of wastewater as a potential source of potable or [‘]fit-for-purpose’ water and the relationship between water supply and urban planning.  
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  Call Number Admin @ admin @ AbbottCohen2009 Serial 4343  
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Author (up) Abbott, M.; Doucouliagos, C. doi  openurl
  Title The efficiency of Australian universities: a data envelopment analysis Type Journal Article
  Year 2003 Publication Economics of Education Review Abbreviated Journal  
  Volume 22 Issue 1 Pages 89-97  
  Keywords Efficiency; Educational economics; Data Envelopment Analysis (DEA ); Technical efficiency; Scale efficiency  
  Abstract With participation in higher education amongst young people rising, governments around the world have been faced with increasing pressure on their finances, giving rise to the need to operate universities with a higher degree of efficiency. In this paper, non-parametric techniques are used to estimate technical and scale efficiency of individual Australian universities. Various measures of output and inputs are used. The results show that regardless of the output-input mix, Australian universities as a whole recorded high levels of efficiency relative to each other.  
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  Call Number Admin @ admin @ AbbottDoucouliagos2003 Serial 2235  
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Author (up) Abbott, M.; Doucouliagos, C. doi  openurl
  Title A Data Envelopment Analysis of the Efficiency of Victorian TAFE Institutes Type Journal Article
  Year 2002 Publication Australian Economic Review Abbreviated Journal  
  Volume 35 Issue 1 Pages 55-69  
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  Abstract In recent years the provision of vocational education and training has been recognised as having a vital role to play in improving Australia’s economic performance and in alleviating the hardship of the long term unemployed. The importance of education and training gives rise to the issue of operating educational institutions with a high level of efficiency. In this article, Data Envelopment Analysis is used to derive estimates of the technical and scale efficiency of Victorian Technical and Further Education Institutes in 1995. The results reveal substantial dispersion in technical and scale efficiencies. Regression analysis is used to identify variables which are associated with technical inefficiency.  
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  Call Number Admin @ admin @ AbbottDoucouliagos2002 Serial 1982  
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Author (up) Abbott, M.; Doucouliagos, C. doi  openurl
  Title Total factor productivity and efficiency in Australian colleges of advanced education Type Journal Article
  Year 2001 Publication Journal of Educational Administration Abbreviated Journal  
  Volume 39 Issue 4 Pages 384-393  
  Keywords Australia; Efficiency; Higher Education; Productivity  
  Abstract The former colleges of advanced education were an important component of the higher education sector in Australia. Uses the Malmquist total factor productivity index to investigate the efficiency and productivity of Australian colleges of advanced education during the 1980s. The results from this analysis indicate that these colleges recorded modest growth in technical change and total factor productivity, but did not fare all that well in terms of growth in technical and scale efficiency during the 1980s. As a group, however, the former colleges of advanced education had attained high levels of technical and scale efficiency.  
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  Call Number Admin @ admin @ AbbottDoucouliagos2001 Serial 1750  
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Author (up) Abbott, M.; Wu, S. doi  openurl
  Title Total factor productivity and efficiency of australian airports Type Journal Article
  Year 2002 Publication Australian Economic Review Abbreviated Journal  
  Volume 35 Issue 3 Pages 244-260  
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  Abstract By using a Malmquist total factor productivity index and data envelopment analysis it is possible to investigate the efficiency and productivity of Australian airports during the 1990s. The results from this analysis indicate that these airports recorded strong growth in technological change and total factor productivity, but did not fare all that well in terms of growth in technical and scale efficiency during the 1990s. At the international level it appears that Australia’s largest airports fare reasonably well in comparison to airports overseas, although they still possess the potential to realise further gains.  
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  Call Number Admin @ admin @ AbbottWu2002 Serial 1983  
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Author (up) Abrar, S.; Morrissey, O. doi  openurl
  Title Supply response in Ethiopia: Accounting for technical inefficiency Type Journal Article
  Year 2006 Publication Agricultural Economics Abbreviated Journal  
  Volume 35 Issue 3 Pages 303-317  
  Keywords Supply response; Technical inefficiency; Duality; Profit functions; Ethiopia  
  Abstract Few empirical studies of supply response using the profit function have accounted for technical inefficiency. Using farm-level panel data from Ethiopia, this study examines the effect of incorporating technical inefficiency in estimating the supply response of peasant farmers. Two systems of output supply and input demand equations are estimated and compared: the conventional model in which technical efficiency is assumed and another in which technical inefficiency is explicitly incorporated. The model with technical inefficiency is preferred on grounds of theoretical consistency and improved estimates, although model comparison tests are not conclusive. Incorporation of inefficiency generally increases the magnitudes and the statistical significance of own price elasticities, substantially so in the case of fertilizer and fertilizer-intensive crops, and alters the priority attached to nonprice factors. An important result is that only the specification with inefficiency reveals a significant effect of access to extension services on output. Only this specification finds that output increases with household size, which one expects as the farms in the sample are largely subsistence and producing for own consumption. Furthermore, the results demonstrate that farmers’ response to incentives is considerably restricted by inefficiency, suggesting that the traditional model would overstate response by excluding the efficiency variable.  
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  Call Number Admin @ admin @ AbrarMorrissey2006 Serial 3190  
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