54,266 research outputs found
Power of significance test of dummies in Simar-Wilson two-stage efficiency analysis model
In this note we investigate the power of significance test for dummy-variables in the context of Simar and Wilson (2003) two-stage efficiency analysis model
Power of significance test of dummies in Simar-Wilson two-stage efficiency analysis model
In this note we investigate the power of significance test for dummy-variables in the context of Simar and Wilson (2003) two-stage efficiency analysis model
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Incorporating Both Undesirable Outputs and Uncontrollable Variables into DEA: the Performance of Chinese Coal-Fired Power Plants
There are two difficulties in doing an objective evaluation of the performance of decision-making units (DMUs). The first one is how to treat undesirable outputs jointly produced with the desirable outputs, and the second one is how to treat uncontrollable variables, which often capture the impact of the operating environment. Given difficulties in both model construction and data availability, very few published papers simultaneously consider the above two problems. This article attempts to do so by proposing six DEA-based performance evaluation models based on a research sample of the Chinese coal-fired power plants. The finding of this paper not only contributes for the performance measurement methodology, but also has policy implications for the Chinese coal-fired power sector
Production Efficiency versus Ownership: The Case of China
In this study, we explore the pattern of efficiency among enterprises in China’s 29 provinces across different ownership types in heavy and light industries and across different regions (coastal, central and western). We do so by performing a bootstrap-based analysis of group efficiencies (weighted and non-weighted), estimating and comparing densities of efficiency distributions, and conducting a bootstrapped truncated regression analysis. We find evidence of interesting differences in efficiency levels among various ownership groups, especially for foreign and local ownership, which have different patterns for light and heavy industries.Efficiency; Data envelopment analysis; Bootstrapping; Ownership; China
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Regulation, competition and ownership in electricity distribution companies: the effects on efficiency
Managerial Effiency in German Top League Soccer
This study applies stochastic frontier analytic techniques in the estimation of sporting production functions. As ex ante input factors, we use pre-seasonal estimates of wage bills of players and coaches that are transformed during the production process of a season into ex post pecuniary revenues and sporting success. While in the case of athletic output we find a robust pattern of technical efficiency over subsequent seasons, the estimates based on economic output highlight the instability of the German soccer industry
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Divestiture Policy and Operating Efficiency in U.S. Electric Power Distribution
Production Efficiency versus Ownership: The Case of China
In this study, we explore the pattern of efficiency among enterprises in China‘s 29 provinces across different ownership types in heavy and light industries and across different regions (coastal, central and western). We do so by performing a bootstrap-based analysis of group efficiencies (weighted and non-weighted), estimating and comparing densities of efficiency distributions, and conducting a bootstrapped truncated regression analysis. We find evidence of interesting differences in efficiency levels among various ownership groups, especially for foreign and local ownership, which have different patterns for light and heavy industries.efficiency, data envelopment analysis, bootstrapping, ownership, China
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Credit risk in European banks: The bright side of the internal ratings based approach
This paper investigates the accuracy of internal rating based (IRB) models in measuring credit risk. We contribute to the growing debate on the current prudential regulatory framework by investigating the use of validated IRB models in promoting efficient risk management practices. Our empirical analysis is based on a novel panel data set of 177 Western European banks observed from 2008 to 2015, in the aftermath of the financial and economic crisis. We find that IRB banks were able to curb the increase in credit risk driven by the macroeconomic slowdown better than banks under the standardized approach. This suggests that the introduction of the internal ratings based approach by Basel II has promoted the adoption of stronger risk management practices among banks, as meant by the regulators
Integrating Industrial Organization and International Business to Explain the Cross-National Domestic Airline Merger Phenomenon
Lecture on the first SFB/TR 15 meeting, Gummersbach, July, 18 - 20, 2004The domestic airline merger phenomenon of the late 1980s and early 1990s sparked a great deal of Industrial Organization literature; yet, that literature neglected non-US merger activity and the potential for international competitive incentives. Using an International Business perspective to complement a primarily Industrial Organization analysis, I argue that factoring international competitive gains helps explain the domestic airline merger phenomenon. A Cournot model of airline competition illustrates the international incentives behind integrating domestic with international routes and behind acquiring domestic competitors. Further, comprehensive panel data tests also support large domestic networks and actual mergers improving the international competitiveness of airlines
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