Abstract

As the process of the interest rate liberalization deepens continuously and the level of the interest rate liberalization improves constantly, every aspect of the financial system is affected. The thesis mainly analyzes how the profitability of the security industry is affected, how this kind of impact is transmitted and what kind of self-targeted revolution and financial innovation should be made by the security industry to tackle the adverse impact. After the empirical analysis and the robustness test of the financial data in 18 listed securities companies in Wind Database from 2007 to 2018, the author concludes that: (1) The impact of the interest rate liberalization on the profitability indicator ROA of securities companies presents a positive U shape. (2) There is no significant difference in the impact of interest rate liberalization on the profitability indicator of different securities companies.

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