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Productivity and efficiency analysis of Shinkin banks: Evidence from bootstrap and Bayesian approaches |
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| Authors: | A George Assaf Carlos P Barros |
| Institution: | a Isenberg School of Management, University of Massachusetts, 90 Campus Center Way, 209A Flint Lab, Amherst, MA 01003, USA b Instituto Superior de Economia e Gestão, Technical University of Lisbon, UECE (Research Unit on Complexity and Economics), 20 Rua Miguel Lupi, Lisbon 1249-078, Portugal c Centre for EMEA Banking, Finance and Economics, London Metropolitan Business School, London Metropolitan University, 84 Moorgate, London EC2M 6SQ, England, UK |
| Abstract: | This paper analyzes the productivity and efficiency of Shinkin banks and the various prefectures in Japan, over the period from 2000 to 2006. We obtain estimates of efficiency growth and productivity growth, using the bootstrapped Malmquist index, and estimates of efficiency using the Bayesian distance frontier approach. We confirm that the efficiency growth and productivity growth of Shinkin banks did not improve significantly over the period of this study. In addition, we show that the efficiency of Shinkin banks is homogenous, with little variation across the banks analyzed. Methodologically, we also prove that a failure to impose theoretical regularity on the distance function could lead to false conclusions about the average efficiency or efficiency ranking of Shinkin banks. The study also includes an analysis of the correlates of productivity and efficiency growth, and provides efficiency and productivity estimates of the prefectures in which the banks are located. |
| Keywords: | C11 D21 G21 |
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