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Sources of Productivity Change: A Malmquist Total Factor Productivity Approach

机译:生产力变化的来源:Malmquist全要素生产率方法

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摘要

Urban transit systems are faced with declining ridership and increasing deficits in recent years. Improving the productivity of transit systems in such unfavourable operating conditions is unquestionable. The sources of productivity change in bus transit systems in the USA between 1985 and 1997 are investigated by using the non-parametric Malmquist total factor productivity index. Technical change and efficiency change improved transit productivity. In addition, government subsidy has negative and statistically significant correlations with the efficiency of transit systems, and positive and significant relationships with technical change. No statistically significant correlation was found between subsidies and the Malmquist total factor productivity.
机译:近年来,城市交通系统面临着载客量下降和赤字增加的问题。在这种不利的操作条件下提高运输系统的生产率是毫无疑问的。通过使用非参数Malmquist全要素生产率指数,研究了1985年至1997年美国公交系统中生产率变化的来源。技术变革和效率变革提高了运输生产率。此外,政府补贴与公交系统的效率之间存在负相关和统计上的显着相关,而与技术变革之间则存在显着正相关的关系。在补贴与马尔姆奎斯特全要素生产率之间没有发现统计学上的显着相关性。

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