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Efficiencies of Small Financial Cooperatives in Japan: Comparison of Estimation Methods

Kozo Harimaya, Kei Tomimura and Nobuyoshi Yamori ()
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Kei Tomimura: Faculty of Business Administration, Aichi University

No DP2015-04, Discussion Paper Series from Research Institute for Economics & Business Administration, Kobe University

Abstract: This study investigates the efficiency of Japanese credit cooperatives using a stochastic directional distance function approach and compares the results obtained from a slack-based data envelopment analysis model (SBM). Moreover, it focuses on the differences in the four groups classified by a type of common bond in a membership and considers the validity of small financial cooperatives. The findings reveal that ethnic minority-owned cooperatives that experienced a drastic consolidation in the last two decades are more efficient than the other groups and those owned through an industry-based membership are less efficient. Although the results slightly differ among alternative measures, this paper emphasizes the potential merger effects of small financial cooperatives in Japan.

Keywords: Efficiency; Cooperative financial institutions; Consolidation (search for similar items in EconPapers)
JEL-codes: C67 G21 G34 (search for similar items in EconPapers)
Pages: 26 pages
Date: 2015-02
New Economics Papers: this item is included in nep-ban, nep-cfn and nep-eff
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