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A Two-Stage DEA to Analyze the Effect of Entrance Deregulation on Iranian Insurers: A Robust Approach

机译:采用两阶段DEA分析进口管制放松对伊朗保险公司的影响:一种稳健的方法

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摘要

We use two-stage data envelopment analysis (DEA) model to analyze the effects of entrance deregulation on the efficiency in the Iranian insurance market. In the first stage, we propose a robust optimization approach in order to overcome the sensitivity of DEA results to any uncertainty in the output parameters. Hence, the efficiency of each ongoing insurer is estimated using our proposed robust DEA model. The insurers are then ranked based on their relative efficiency scores for an eight-year period from 2003 to 2010. In the second stage, a comprehensive statistical analysis using generalized estimating equations (GEE) is conducted to analyze some other factors which could possibly affect the efficiency scores. The first results from DEA model indicate a decline in efficiency over the entrance deregulation period while further statistical analysis confirms that the solvency ignorance which is a widespread paradigm among state owned companies is one of the main drivers of efficiency in the Iranian insurance market.
机译:我们使用两阶段数据包络分析(DEA)模型来分析入口管制放松对伊朗保险市场效率的影响。在第一阶段,我们提出了一种鲁棒的优化方法,以克服DEA结果对输出参数中任何不确定性的敏感性。因此,可以使用我们提出的稳健DEA模型估算每家进行中的保险公司的效率。然后,根据2003年至2010年这8年间的相对效率得分对保险公司进行排名。在第二阶段,使用广义估计方程(GEE)进行全面的统计分析,以分析可能影响保险价格的其他一些因素。效率分数。 DEA模型的第一个结果表明,在入口管制放松期间效率下降,而进一步的统计分析证实,偿付能力的无知是国有保险公司效率的主要驱动力之一,这是国有公司中普遍存在的范式。

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  • 来源
    《Mathematical Problems in Engineering》 |2012年第8期|423524.1-423524.24|共24页
  • 作者单位

    Department of Industrial Engineering, Iran University of Science and Technology, Narmak, Tehran 1684613114, Iran;

    Department of Industrial Engineering, Iran University of Science and Technology, Narmak, Tehran 1684613114, Iran;

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