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首页> 外文期刊>Benchmarking >Estimating the efficiency of Greek banking system during the last decade of world economic crisis: An econometric approach
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Estimating the efficiency of Greek banking system during the last decade of world economic crisis: An econometric approach

机译：在世界经济危机的最后十年中，估计希腊银行体系的效率：计量经济学方法

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Purpose - The purpose of this paper is to examine the efficiency of the four largest Greek banking organizations for the period 2004-2014, including both a period of strong economic growth and a period of economic crisis and recession, which is still plaguing the Greek economy and more specifically the Greek banking sector. Design/methodology/approach - The study incorporates the application of financial ratio analysis and the data envelopment analysis (DEA) in order to calculate the technical efficiency of Greek financial institutions. More specifically, a two-stage output-oriented DEA model is developed in order to estimate the global efficiency of banks. The banking function is considered as consisting of two stages in series, a service/ operational efficiency and a profitability efficiency. In both output-oriented models, methods of constant returns to scale and variable returns to scale were applied. Findings - The results show that in terms of operational efficiency, banks started from a low rate of return in 2004, which improved until 2008, which marked the peak of operational efficiency. By 2010, the operating efficiency varied with downward trend until 2012-2013. In terms of profitability efficiency, the image is clearer, since the impact the financial crisis had on bank's profit efficiency led, by 2012, to a plunge in the average efficiency by 30-40 percent. Originality/value - A multi-stage DEA process, input oriented, was used in order to estimate changes in the performance and efficiency of banking system. The period 2004-2014 has not been examined until recently and all previous studies used the output-oriented DEA model.
机译：目的-本文的目的是研究2004-2014年间希腊四大银行组织的效率，包括强劲的经济增长时期，经济危机和衰退时期，这仍然困扰着希腊经济。尤其是希腊银行业。设计/方法/方法-该研究将财务比率分析和数据包络分析（DEA）的应用结合在一起，以计算希腊金融机构的技术效率。更具体地说，开发了两阶段的面向输出的DEA模型，以估计银行的全球效率。银行职能被认为包括两个阶段，服务/运营效率和获利效率。在这两种面向输出的模型中，均采用了固定规模报酬和可变规模报酬的方法。调查结果-结果表明，就运营效率而言，银行从2004年的低收益率开始，直到2008年才有所改善，这标志着运营效率达到了顶峰。到2010年，直到2012-2013年，运营效率均呈下降趋势。在盈利效率方面，形象更为清晰，因为金融危机对银行盈利效率的影响导致到2012年平均效率下降了30％至40％。独创性/价值-使用面向输入的多阶段DEA流程来估计银行系统的性能和效率的变化。直到最近才检查过2004-2014年，以前的所有研究都使用了以产出为导向的DEA模型。

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