We study the impact of the Basel III liquidity coverage ratio (LCR) on bank capital ratio and the interbank rate in a traditional banking model. We find that inappropriate parameters assigned to calculate High-Quality Liquid Assets (HQLAs) and Net Cash Flows (NCOs) would lower the equilibrium capital ratio especially when the required liquidity ratio is strengthened. In addition, these regulatory parameters may have macro-prudential effects to steer the interbank rate.
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Huang et al. (2024) studied this question.
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