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Zimbabwe commercials banks efficiency and productivity analysis through DEA Malmquist approach: 2002-2012

机译：津巴布韦商业银行通过DEA Malmquist方法对银行进行效率和生产力分析：2002-2012年

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Majority of data envelopment analysis studies have been focused on developed economies and economies in Asia, and very few studies on developing economies particularly African economies. This research aims to determine bank efficiency and productivity change of Zimbabwean commercial banks. The DEA model was used to measure the efficiency of 10 commercial banks working in Zimbabwe. The intermediation approach was used to specify variables. The average scores of technical efficiency under the Constant Returns to Scale (CRS) and Variable Returns to Scale (VRS) assumptions for the commercial banking sector as a whole are 70.95% and 81.5% respectively. The average scale efficiency for commercial banks operating in Zimbabwe was found to be 73.7%.Through applying the Malmquist Productivity Index (MPI) method; it was found that the mean total factor productivity increase for Zimbabwean commercial banks from 2003 to 2012 is 13.8%. The results also showed that the total factor productivity index peaked in 2009 where it reached a value of 121.1% and reached the lowest point in 2005 were it went down to (-52%).
机译：大多数数据包络分析研究都集中在亚洲的发达经济体和经济体，很少有关于发展中经济体，特别是非洲经济体的研究。本研究旨在确定津巴布韦商业银行的银行效率和生产率变化。 DEA模型用于衡量津巴布韦的10家商业银行的效率。中介方法用于指定变量。假设商业银行业整体的规模固定收益率（CRS）和规模可变收益率（VRS）假设下的技术效率平均得分分别为70.95％和81.5％。津巴布韦商业银行的平均规模效率为73.7％。通过采用Malmquist生产率指数（MPI）方法;研究发现，2003年至2012年期间，津巴布韦商业银行的平均全要素生产率增长为13.8％。结果还显示，全要素生产率指数在2009年达到峰值，达到121.1％的值，并在2005年降至最低点（-52％）。

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