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Working Paper

Bank Balance Sheet Dynamics under a Regulatory Liquidity-Coverage-Ratio Constraint

This paper presents a dynamic model of a bank’s optimal choices of imposing a binding liquidity-coverage-ratio (LCR) constraint. Our baseline balance-sheet dynamics starts with portfolio separation and no LCR constraint. Under a scenario in which regulators prohibit banks from applying securities to fulfill the LCR constraint, portfolio separation continues to hold, but deposit holdings depend on the extent to which the LCR constraint is binding. When banks are allowed to apply securities toward satisfying the constraint, portfolio separation can break down and lead to ambiguous effects on optimal dynamic loan and deposit paths. Our results indicate that under special cases in which portfolio separation holds, the LCR constraint affects bank-sheet dynamics in ways not previously recognized. As regulators move forward in implementing Basel III style LCR, it is imperative to understand the effects of the LCR constraint on bank balance-sheet dynamics.

Working Papers of the Federal Reserve Bank of Cleveland are preliminary materials circulated to stimulate discussion and critical comment on research in progress. They may not have been subject to the formal editorial review accorded official Federal Reserve Bank of Cleveland publications. The views expressed in this paper are those of the authors and do not represent the views of the Federal Reserve Bank of Cleveland or the Federal Reserve System.


Suggested Citation

Balasubramanyan, Lakshmi, and David VanHoose. 2012. “Bank Balance Sheet Dynamics under a Regulatory Liquidity-Coverage-Ratio Constraint .” Federal Reserve Bank of Cleveland, Working Paper No. 12-09. https://doi.org/10.26509/frbc-wp-201209