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We present a widely-used operations management model used in supply anddistribution planning, that is typically embedded in a periodic businessprocess that necessitates model modification and reuse. We consider threealternative spreadsheet implementations, a data-driven design, a canonical(textbook) design, and a novel (table-driven) technical design. We evaluateeach regarding suitability for accuracy, modification, analysis, and transfer.We consider the degree of training and technical sophistication required toutilize each design. The data-driven design provides insight into poorspreadsheet practices by na\"ive modelers. The technical design can be modifiedfor new data and new structural elements without manual writing or editing ofcell formulas, thus speeding modification and reducing risk of error. Thetechnical design has potential for use with other classes of models. Weidentify opportunities for future research.

Alternative Spreadsheet Model Designs for an Operations Management Model Embedded in a Periodic Business Process