Optimal joint pricing and lot sizing with fixed and variable capacity. (English) Zbl 0951.90031

Summary: This paper examines previously unexplored fixed and variable capacity problems of jointly determining an item’s price and lot size for a profit-maximizing firm facing constant but price-dependent demands over a planning horizon. We apply geometric programming to these constrained nonlinear maximization problems with nonconcave objective functions and obtain global optimal solutions. Using Kuhn-Tucker condition marginal and sensitivity analyses, we investigate model interactions, provide managerial implications on the optimal capacity decisions, and explore the postoptimal behavior of the price, lot size, and capacity expansion and reduction size. Some findings cast interesting insights, different from previous just-in-time management studies without pricing consideration.


90B60 Marketing, advertising
90B30 Production models
90C25 Convex programming
Full Text: DOI


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