碩士 / 國立交通大學 / 交通運輸研究所 / 92 / In order to ameliorate the mass transportation services and to assist those operators with financial crises or operational difficulties, the five-year Enhancement of Mass Transportation Program, approved by Executive Yuan, had been implemented by the Ministry of Transportation and Communications from 1996 to 2001. In this program, the tax/fee exemption has improved the operators’ financial crises, the direct subsidy has offered the essential money to keep the deficit routes in service, the periodical operational appraisal has ensured the transport service quality, the lift of entrance barrier has encouraged the competition in the freeway coach market, and the introduction of more exclusive lanes and innovative ITS demonstration projects have also improved the efficiency and effectiveness of bus operation. However, without a detailed analysis, one would not know how much this Enhancement Program has ameliorated the mass transport services.
This study investigates the change in the performance of Taiwan highway motor carriers before and after the Enhancement Program. Some 29 carriers during the period 1992-2001 are chosen as the decision making units (DMUs), whose performance including technical efficiency, service effectiveness, total factor productivity (TFP), and total sale productivity (TSP) are compared by various data envelopment analysis (DEA) approaches. We estimate technical efficiency by the input-oriented DEA models and service effectiveness by the output-oriented DEA models. Furthermore, we utilize Malmquist index analysis to investigate the change in TFP and TSP before and after the Enhancement Program.
Our empirical results indicate that the technical efficiency and service effectiveness for 29 DMUs has been improved after exercising this Enhancement Program. The Kruskal-Wallis rank tests show that the efficiency does not vary among regions but the effectiveness does. The frontiers do not shift during the study periods and most carriers reveal variable returns to scale. We also carry out sensitivity analysis for the efficient and/or effective DMUs and further conduct Tobit regression to identify the significant factors affecting the efficiency and effectiveness scores. To compare the relative efficiency and effectiveness of the DMUs in a more homogeneous environment, the exogenously fixed inputs DEA are also attempted. As for the productivity change, our empirical results show that the TFP for the 29 carriers grows up but the TSP declines after the implementation of this Enhancement Program.
| Identifer | oai:union.ndltd.org:TW/092NCTU5118006 |
| Date | January 2004 |
| Creators | Hsueh-Chun Chang, 張雪君 |
| Contributors | Lawrence W. Lan, 藍武王 |
| Source Sets | National Digital Library of Theses and Dissertations in Taiwan |
| Language | zh-TW |
| Detected Language | English |
| Type | 學位論文 ; thesis |
| Format | 103 |
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