Analysis of the stochastic cash balance problem using a level crossing technique
Ben A. Chaouch ()
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Ben A. Chaouch: University of Windsor
Annals of Operations Research, 2018, vol. 271, issue 2, No 6, 429-444
Abstract:
Abstract The simple cash management problem includes the following considerations: the opportunity cost of holding too much cash versus the penalty cost of not having enough cash to meet current needs; the cost incurred (or profit generated) when making changes to cash levels by increasing or decreasing them when necessary; the uncertainty in timing and magnitude of cash receipts and cash disbursements; and the type of control policy that should be used to minimize the required level of cash balances and related costs. In this paper, we study a version of this problem in which cash receipts and cash disbursements occur according to two independent compound Poisson processes. The cash balance is monitored continuously and an order-point, order-up-to-level, and keep-level $$ \left( {s, S, M} \right) $$ s , S , M policy is used to monitor the content, where $$ s \le S \le M $$ s ≤ S ≤ M . That is, (a) if, at any time, the cash level is below s, an order is immediately placed to raise the level to S; (b) if the cash level is between s and M, no action is taken; (c) if the cash level is greater than M, the amount in excess of M is placed into an earning asset. We seek to minimize the expected total costs per unit time of running the cash balance. We use a level-crossing approach to develop a solution procedure for finding the optimal policy parameters and costs. Several numerical examples are given to illustrate the tradeoffs.
Keywords: Cash balance problem; Stationary analysis; Level-crossing method (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (2)
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DOI: 10.1007/s10479-018-2822-2
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