A Bank Asset and Liability Management Model

Kusy, M.I. & Ziemba, W.T. (1983). A Bank Asset and Liability Management Model. IIASA Collaborative Paper. IIASA, Laxenburg, Austria: CP-83-059

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The uncertainty of a bank's cash flows, cost of funds and return on investments due to inherent factors and variable economic conditions has emphasized the need for greater efficiency in the management of asset and liabilities. A primary goal is to determine an optimal tradeoff between risk, return, and liquidity. In this paper we develop a multiperiod stochastic linear programming model (ALM) that includes the essential institutional, legal, financial, and bank related policy considerations, along with their uncertain aspects, yet is computationally tractable for realistic sized problems. A version of the model was developed for the Vancouver City Savings Credit Union for a five year planning period. The results indicate that ALM is theoretically and operationally superior to a corresponding deterministic linear programming model and the effort required for the implementation of ALM and the computational costs are comparable to those of the deterministic model. Moreover, the qualitative and quantitative characteristics of the solutions are sensitive to the stochastic elements of the model such as the asymmetry of the cash flow distributions. ALM was also compared with the stochastic decision tree (SDT) model developed by Bradley and Crane. ALM is more computationally tractable on realistic sized problems than SDT and simulation results indicate that ALM generates superior policies.

Item Type: Monograph (IIASA Collaborative Paper)
Research Programs: Adaption and Optimization (ADO)
Depositing User: IIASA Import
Date Deposited: 15 Jan 2016 01:53
Last Modified: 27 Aug 2021 17:11
URI: https://pure.iiasa.ac.at/2323

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