Abstract
This study assesses the impact(s) of monetary policy and further influence of competitiveness on bank risk-taking of the Vietnamese commercial banks over the period of 2007–2016, an unstable period of the domestic monetary policy. The monetary policy is captured by a set of different variables including money supply, refinancing interest rate and treasury bill interest rate. Using the GMM methodology, the study finds that the monetary policy of Vietnam has a significant impact on bank risk-taking level, as measured by Z-score index. The empirical findings also indicate that bank risk-taking increases in the context of a loose monetary policy. In addition, the competitiveness of banks, presented by the Lerner index, is found as a determinant of bank risk-taking levels. By using interacting variables, the findings indicate that the impact of the competitiveness of banks outweighs that of monetary policy on bank risk-taking behaviour. It implies that the banks with high market power demonstrate less risk-taking behaviour even in a loose monetary policy environment. Besides that, liquidity, credit level and cost inefficiency could increase risk-taking behaviour of banks while bank size poses restrictions on bank risk-taking.
Highlights
The stability of the banking sector plays an important role in ensuring that the country’s economic goals are met, especially in developing countries
To examine the impact of monetary policy, competitiveness on the bank risktaking, this study uses the database from Vietnamese commercial banks from 2007 to 2016, which is collected by FiinPro
This study assesses the impact of monetary policy on bank risk-taking and the influence of competitive ability within this relationship of the Vietnamese commercial banks from 2007 to 2016
Summary
The stability of the banking sector plays an important role in ensuring that the country’s economic goals are met, especially in developing countries. Similar to other developing countries, Vietnam has its banking sector working as the backbone of its economic system. The erratic monetary policy, from loose policy to tight policy during the 2006–2012 period, had implications on the operation of the banking system in Vietnam. The loose monetary policy, normally presented by an increase in money supply or decrease in interest rate, facilitated a boom in credit growth and non-controlling investments and contributed to asset bubbles and bad debts. The government had to tighten the monetary policy, which in turn led to the fall of the financial market and the banking system in the following period (Refer to Appendix A)
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