On manufacturing/marketing incentives
Management Science
Inventory and investment in setup operations under return on investment maximization
Computers and Operations Research
Fuzzy Sets and Systems - Fuzzy mathematical programming
Inventory and investment in quality improvement under return on investment maximization
Computers and Operations Research
Optimal Policies for Inventory Systems with Priority Demand Classes
Operations Research
Multi-objective inventory planning using MOPSO and TOPSIS
Expert Systems with Applications: An International Journal
A review and classification of fuzzy mathematical programs
Journal of Intelligent & Fuzzy Systems: Applications in Engineering and Technology
Fuzzy optimization for supply chain planning under supply, demand and process uncertainties
Fuzzy Sets and Systems
Fuzzy pricing and marketing planning model: A possibilistic geometric programming approach
Expert Systems with Applications: An International Journal
Fuzzy hierarchical production planning (with a case study)
Fuzzy Sets and Systems
Computers & Mathematics with Applications
Using fuzzy numbers in linear programming
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics
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We address an inventory-marketing system to determine the production lot size, marketing expenditure and selling prices where a firm faces demand from two or more market segments in which the firm can set different prices. Considering pricing, marketing and lot-sizing decisions simultaneously, the model maximizes the profit and return on inventory investment under multiple time varying demand classes. The model is formulated as a fuzzy non-linear multi-objective one where some parameters are ill-known and modeled by fuzzy numbers. A hybrid possibilistic-flexible programming approach is proposed to handle imprecise data and soft constraints concurrently. After transforming the original model into an equivalent multi-objective crisp model, it is then converted to a classical mono-objective one by a fuzzy goal programming method. An efficient solution procedure using particle swarm optimization (PSO) is also provided to solve the resulting non-linear problem.