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- Title
JOINT DETERMINATION OF MACHINE REQUIREMENTS AND SHIFT SCHEDULING IN BANKING OPERATIONS.
- Authors
Davis, S. G.; Reutzel, E. T.
- Abstract
The article describes a linear programming approach for shift scheduling of encoder operations in commercial banks. With a minimal change in their formulation, the optimal number of machines for any volume of check arrivals could be determined directly. A comparison was made of the solutions obtained treating equipment capacity as a constant and the modified approach to jointly determine labor and equipment requirements. Although the cost reduction resulting from joint determination was less than 2%, the staff schedules of the two weekly models are quite different, with 37% more full-time employees and 48% less part-time employees in the 100 machine model. Both models used a leasing cost per machine of $160.64 per week, a 10 pm deadline, and a float cost of $1733 per item. The eight-hour and six-hour employees had hourly wage and productivity rates of $5,25 and 900 items, respectively. The corresponding four-hour employee rates were 23% and 28% less. Thus, while the 100-machine model had $321 less machine cost, this was more than offset by increased payroll and float costs resulting in a net savings of $530/week for the joint determination model.
- Subjects
LINEAR programming; MATHEMATICAL programming; LABOR productivity; PRODUCTION scheduling; OPERATIONS research; INDUSTRIAL costs
- Publication
Interfaces, 1981, Vol 11, Issue 1, p41
- ISSN
0092-2102
- Publication type
Article
- DOI
10.1287/inte.11.1.41