保險經營與制度

作者:胡均立(Jin-Li Hu)尤雪娥(Sher Yu)林芳麗(Fang-Li Lin)

臺灣地區人壽保險公司的效率分析-兩階段資料包絡分析方法之應用Efficiency Analysis of Life Insurance Companies in Taiwan:A Two-Stage

摘要
  本研究應用Seiford and Zhu (1999) 提出之兩階段資料包絡分析程序,進行2005至2009年間29家臺灣地區人壽保險公司的效率分析。我們並依循Lovell and Pastor (1995) 的方式進行投入或產出項的負值調整。實證結果發現:在本研究期間內,除2009年之外,臺灣地區公司的總合效率值呈現輕微上升趨勢。此外更使用Tobit迴歸模式,探討影響壽險公司經營效率之因素。結果顯示,第一階段中,具金控背景公司效率表現較佳,成立年數對效率值有顯著的負向影響,外勤人員比率對效率值有顯著的負向影響;第二階段及總合階段中,外商壽險公司效率值較佳,市占率對效率值有顯著的負向影響。
關鍵詞:人壽保險、兩階段資料包絡分析方法、效率、Tobit迴歸
Abstract
  This paper employs the two-production-stage data envelopment analysis (DEA) proposed by Seiford and Zhu (1999) to measure the efficiency of twenty-eight life insurance companies in Taiwan from 2005 to 2009. The approach for adjusting negative inputs or outputs proposed by Lovell and Pastor (1995) is also adopted. Besides 2009 year, it is found that the aggregation efficiency have been rising lightly. In addition, Tobit regression model is used to examine the factors that influence on efficiency indifference of life insurance companies. It shows financial holding companies perform better, and founding years and field personnel ratios negatively influence on management efficiency in the first stage (sales stage), foreign companies perform better and market share negatively influence on management efficiency in both the second stage (profits stage) and aggregation stage.
Keywords: Life insurance,Two-stage data envelopment analysis, Efficiency, Tobit regression
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