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This paper addresses a dynamic lot sizing problem with mixed backlogging and outsourcing and non-decreasing inventory capacity. In this problem, outsourcing can occur in a period even if the inventory level at that period is positive, and outsourcing level at each period can not exceed the demand of that period. The outsourcing, backlogging and holding costs are linear. Production cost may include...
This paper addresses a dynamic lot sizing problem with mixed backlogging and stockout and bounded inventory. The stockout option means that there is outsourcing in a period only when inventory level at that period is less than or equal to 0. The production cost may include setup cost and the production level is unlimited. The holding, backlogging and outsourcing cost functions are linear. Furthermore,...
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