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2005, 2005(Special): 345-354. doi: 10.3934/proc.2005.2005.345

Optimal control of a commercial loan repayment plan

1. 

Department of Mathematics and Computer Sciences, Texas Woman's University, Denton, TX 76204, United States

2. 

Department of Computer Mathematics and Cybernetics, Moscow State Lomonosov University, Moscow, 119992, Russian Federation

Received  September 2004 Revised  March 2005 Published  September 2005

We consider a controlled system of differential equations modeling a firm that takes a loan in order to expand its production activities. The objective is to determine the optimal loan repayment schedule using the variables of the business current profitability, the bank's interest rate on the loan and the cost of reinvestment of capital. The portion of the annual profit which a firm returns to the bank and the value of the total loan taken by the firm are control parameters. We consider a linear production function and investigate the attainable sets for the system analytically and numerically. Optimal control problems are stated and their solutions are found using attainable sets. Attainable sets for different values of the parameters of the system are constructed with the use of a computer program written in MAPLE. Possible economic applications are discussed.
Citation: Ellina Grigorieva, Evgenii Khailov. Optimal control of a commercial loan repayment plan. Conference Publications, 2005, 2005 (Special) : 345-354. doi: 10.3934/proc.2005.2005.345
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