データ包絡分析法によるJR と大手私鉄の事業活動効率比較 : ウィンドー分析の結果に対するローソク足を用いたグラフ化の提案と鉄道各社の比較結果

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  • The relative efficiency evaluation for the Japan Railway companies and Japan’s major private railway companies by DEA and Inverted DEA : Illustrating trends of the relative efficiencies and inefficiencies of each railway company using the DEA/Window Analysis and the Inverted DEA/Window Analysis

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Abstract

Departmental Bulletin Paper

This study evaluates the relative efficiencies of Japan Railway companies and Japan’s major\nprivate railway companies, using various types of DEA (Data Envelopment Analysis). As the\nsixth step of the evaluation, this paper illustrates trends of the relative efficiencies and inefficiencies\nof each railway company using the DEA/Window Analysis and the Inverted DEA/\nWindow Analysis. In this paper, trends of the relative efficiencies and inefficiencies of each\nrailway company became clear by illustrations based on the Candlestick. In the past papers of\nthe author, the first step of the evaluation focused on the time series performance data analysis\nof the Japan Railway companies. The second step of the evaluation focused on the relative\nefficiencies of Japan Railway companies using the DEA/Window Analysis. The third step of the\nevaluation focused on the relative inefficiencies of Japan Railway companies using the Inverted\nDEA/Window Analysis. The fourth and fifth steps of the evaluation focused on the relative efficiencies and inefficiencies of Japan’s major private railway companies (in eastern and western\nJapan) using the DEA/Window Analysis and the Inverted DEA/Window Analysis.

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