Determining the Optimal Amount of Market Power to Maximize the Performance of the Banking Industry

Document Type : Research Paper

Authors

1 Ph.D. Student of Economics, Ferdowsi University, Mashhad, Iran. h.rezaeiii@yahoo.com

2 Professor of Ferdowsi University, Mashhad, Iran

Abstract

The purpose of this paper is to study the factors inside and outside the banking industry on its performance. For this purpose, using the statistics of 170 countries during the years 1995-2017. The paper’s data analysis is System Generalized Method of Moments (System GMM) approach. After examining the static variability of the variables, the correlational relationships of the models are examined and the results indicate the existence of long-run equilibrium relations between the variables. In order to study the effect of each of the variables on performance indicators, the estimation model was studied and examined. The results of the study show that the structure-behavior-performance hypotheses (SCP) and efficient structure (ES) are confirmed and the relative market power hypothesis (RMP) are rejected. An inverse U-shaped relationship was found between concentration and profitability, which increased to a threshold level of 0.164 for the Lerner index, with increasing concentration, profitability increasing and then decreasing, and the relationship between concentration and performance being the U-shaped curve after the level. A threshold of 0.25 for the Lerner index increases performance.
Considering institutional quality makes the relationship between concentration and profitability U-shaped. Therefore, institutional quality moderates the adverse effects of market power on profitability. Also, considering institutional quality causes the relationship between concentration and efficiency to be inverted U-shaped. This means that in a low-quality institutional environment, market power leads to inefficiency and the hypothesis of a quiet life is confirmed, and in a high-quality institutional environment, market power leads to greater efficiency and the hypothesis of a quiet life is rejected

Keywords

Main Subjects

References

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