On the Sources of Heterogeneity in Banking Efficiency Literature

Aiello, Francesco and Bonanno, Graziella (2014): On the Sources of Heterogeneity in Banking Efficiency Literature.

Abstract

This study reviews the empirical literature on banking efficiency by conducting a meta-regression analysis. The metadata-set consists of 1,661 observations retrieved from 120 papers published over the period 2000-2014. While the role of study-design and method-specific characteristics of primary studies is evaluated, a focus concerns regulation in banking. Results are fourfold. Firstly, parametric methods always yield lower levels of banking efficiency than nonparametric studies. Secondly, banking efficiency is high in studies using the value added approach instead of the intermediation method. Thirdly, efficiency scores also depend on the ranking journals and on the number of observations and variables used in the primary papers. Finally regulation matters: primary papers focusing on countries with a liberalized banking industry provide high values of efficiency scores.

• Item Type: MPRA Paper
• Language: English
• Keywords: Banking, Frontier Models, Efficiency, Meta-analysis, Regulation, Study design
• Subjects: C - Mathematical and Quantitative Methods > C1 - Econometric and Statistical Methods and Methodology: General > C13 - Estimation: General; C - Mathematical and Quantitative Methods > C1 - Econometric and Statistical Methods and Methodology: General > C14 - Semiparametric and Nonparametric Methods: General; C - Mathematical and Quantitative Methods > C8 - Data Collection and Data Estimation Methodology ; Computer Programs > C80 - General; D - Microeconomics > D2 - Production and Organizations > D23 - Organizational Behavior ; Transaction Costs ; Property Rights; G - Financial Economics > G2 - Financial Institutions and Services > G21 - Banks ; Depository Institutions ; Micro Finance Institutions ; Mortgages; G - Financial Economics > G2 - Financial Institutions and Services > G28 - Government Policy and Regulation; K - Law and Economics > K2 - Regulation and Business Law > K20 - General; L - Industrial Organization > L2 - Firm Objectives, Organization, and Behavior > L25 - Firm Performance: Size, Diversification, and Scope

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