Retail Business Can Win the World:Based on Bank Efficiency
The report in the 20th Congress of CCP emphasizes that we should accelerate the building of a new"dual-cycle"development pattern,drive high-quality economic growth,and adhere to the strategic basis of expanding domestic demand.Under the background of interest rate liberalization,the development of multi-level capital market and stricter financial regulation,the profit space of banks'public business is constantly squeezed,and the exposure and release of credit risks are accelerated.The transformation of the banking industry to the retail business with light capital,light cost and low non-performing is the general trend.Bank profit efficiency takes into account the maximization of efficiency at both the input and output,which is an effective method for bank performance evaluation.Bank profit efficiency evaluates the efficiency by comparing the actual profit obtained by commercial banks with the profit obtained on the production frontier,considering the maximization of efficiency at both the input and output ends,which is an effective method for bank performance evaluation.Therefore,it is of great practical significance to explore the impact of bank retail business on profit efficiency.Reviewing the existing literature,we can find that many scholars at home and abroad believe that retail business is a sustainable business model for banks,which can bring stable returns and play an important role in maintai-ning high profitability of banks.However,there is a lack of research on the impact of retail business on bank profit efficiency.Based on this,considering the cross relationship between various input variables and output variables,this paper introduces the cross term into the translog production function to reflect the mutual relationship,constructs the output-based distance function in the form of translog function,and uses the non-monotonic heterogeneous stochastic frontier method to measure the profit efficiency of banks,which can comprehensively and scientifically evaluate the operation and management of banks.This paper takes the annual data of 48 commercial banks in China from 2011 to 2021 as the research sample,constructs the frontier production function,selects operating expenses and interest expenses as input variables,total profits,total loans and advances as output variables,and constructs the non-monotonic heteroge-neous multi-output distance function to measure the profit efficiency of commercial banks.The bank profit efficiency calculated by non-monotonic heterogeneous SFA based on translog function is taken as the explained variable,the proportion of retail loan balance is taken as the core explanatory variable,and the NPL rate and loan-to-deposit ratio are taken as control variables to construct the influence model of retail loan business on profit efficiency.It further analyzes the heterogeneous effects of banks with different natures and the influence mecha-nism of personal housing loans,credit cards and other loans under the retail loan business.In order to avoid the influence of endogeneity on the robustness of empirical results,this paper uses the instrumental variable method and two-stage least squares.The regression show that:(1)Retail business has a significant positive impact on the improvement of profit efficiency,and of all retail businesses,credit card business has the greatest positive impact on profit efficiency.(2)The retail business of state-owned banks and joint-stock banks promotes profit efficiency more than that of the retail business of urban commercial banks and rural commercial banks.Therefore,the impact of retail business on bank profit efficiency is heterogeneous.(3)The profit efficiency of China's banking industry is on the rise as a whole,with joint-stock banks ranking the first and rural commercial banks the last.Finally,based on the above research conclusions,combined with the development of retail loans in China's banking industry,this paper puts forward some suggestions,such as fully supporting the development of credit card business,promoting the transformation and upgrading of personal consumption loans and strengthening the risk management of personal operating loans,so as to further improve the profit efficiency of commercial banks in our country by developing retail loans.And this paper provides certain reference value for promoting the high-quality development of commercial banks.This study has important theoretical significance for accelerating the transformation of commercial banking business,promoting the continuous improvement of profit efficiency and realizing sustainable development.
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