Integrating operations and marketing decisions using delayed differentiation of products and guaranteed delivery time under stochastic demand |
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Authors: | Thyagaraj S Kuthambalayan Peeyush Mehta Kripa Shanker |
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Institution: | 1. Department of Management Studies, Indian School of Mines, Dhanbad 826 004, India;2. Operations Management Group, Indian Institute of Management Calcutta, Kolkata 700 104, India;3. Department of Industrial and Management Engineering, Indian Institute of Technology, Kanpur 208 016, India |
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Abstract: | In this research, we integrate the issues related to operations and marketing strategy of firms characterized by large product variety, short lead times, and demand variability in an assemble-to-order environment. The operations decisions are the inventory level of components and semi-finished goods, and configuration of semi-finished goods. The marketing decisions are the products price and a lead time guarantee which is uniform for all products. We develop an integrated mathematical model that captures trade-offs related to inventory of semi-finished goods, inventory of components, outsourcing costs, and customer demand based on guaranteed lead time and price.The mathematical model is a two-stage, stochastic, integer, and non-linear programming problem. In the first stage, prior to demand realization, the operation and marketing decisions are determined. In the second stage, inventory is allocated to meet the demand. The objective is to maximize the expected profit per-unit time. The computational results on the test problems provide managerial insights for firms faced with the conflicting needs of offering: (i) low prices, (ii) guaranteed and short lead time, and (iii) a large product variety by leveraging operations decisions. |
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Keywords: | Stochastic programming Generalized benders&rsquo decomposition method Marketing Operations interface Delayed product differentiation Guaranteed lead time |
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