Offre optimale de liquidité bancaire par la Banque Centrale : une approche microéconomique
[Optimal Bank’s Liquidity Supply by the Central Bank: A Microeconomic Approach]
AbstractThe excess liquidity of commercial banks is very often mentioned in the CEMAC as one of the limits of monetary policy implementation by BEAC. In this paper, we tried to address excess reserves in the CEMAC banking system looking from the point of view of commercial banks. Indeed, commercial banks may decide to hold reserves above the level required by the regulator for costs minimization perspectives. By minimising the cost function of each commercial bank, we derived the optimal level of excess liquidity desired by it. The obtained results allow classifying the banks of the CEMAC zone into two categories depending on the level of excess reserves necessary to minimize their costs and provide the amounts of liquidity desired by them. The Central Bank can then use this information to improve its liquidity supply to the banking system by anticipating the demands of liquidity by commercial banks during open market operations.
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Bibliographic InfoPaper provided by University Library of Munich, Germany in its series MPRA Paper with number 37940.
Date of creation: 12 Mar 2012
Date of revision:
réserves excessives; coût d'opportunité; coût d'ajustement; optimisation; fonction de densité;
Find related papers by JEL classification:
- C14 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Semiparametric and Nonparametric Methods: General
- E51 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Money Supply; Credit; Money Multipliers
- C02 - Mathematical and Quantitative Methods - - General - - - Mathematical Economics
- C61 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Optimization Techniques; Programming Models; Dynamic Analysis
- C15 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Statistical Simulation Methods: General
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- William Poole, 1968. "Commercial Bank Reserve Management In A Stochastic Model: Implications For Monetary Policy," Journal of Finance, American Finance Association, vol. 23(5), pages 769-791, December.
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