Abstract

RUIZ-PORRAS, Antonio. ALM practices, multiple uncertainties and monopolistic behavior: a microeconomic study of banking decisions. EconoQuantum [online]. 2011, vol.8, n.1-2, pp.163-181. ISSN 2007-9869.

We study the decisions that a monopolistic bank takes to achieve risk management and profit objectives. The bank faces liquidity and solvency risks because loans may not be repaid and because unexpected deposit withdrawals may occur. The Asset-Liability-Management (ALM) banking model shows that compromise solutions are necessary to deal with the tradeoffs between liquidity management and profitability. It also shows that asset management practices increase profits. Moreover it shows that liability management practices and market power support profitability. Finally, the model confirms that banks should undertake long-term risky investments when depositors trust the viability of the asset transformation process.

Keywords : Banking; ALM; multiple uncertainties; monopolistic behavior.

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