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Two heuristics based on branch and bound (B&B) are developed to solve closed-loop material requirements planning (MRP) lot-sizing problems that have general product structures and variable costs. A “look ahead method'’(LAM) heuristic allows for variable production/purchasing costs and uses a...
Persistent link: https://www.econbiz.de/10013290419
The research on lot sizing is extensive; however, no author in the literature reviewed to date provides an optimal solution algorithm to a prevalent problem which is found in manufacturing. A multi-level, general product-structure, variable-cost model is presented which follows the procedure of a...
Persistent link: https://www.econbiz.de/10013290423
describe and analyze the principal methodologies that have been developed for measuring efficiency and productivity, defining … efficiency and productivity measurement in insurance …
Persistent link: https://www.econbiz.de/10013066707
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In this paper we propose a new rule to allocate risk capital to portfolios or divisions within a firm. Specifically, we … determine the capital allocation that minimizes the excesses of sets of portfolios in lexicographical sense. The excess of a set … of portfolios is defined as the expected loss of that set of portfolios in excess of the amount of risk capital allocated …
Persistent link: https://www.econbiz.de/10013135329
In this paper we propose a new rule to allocate risk capital to portfolios or divisions within a firm. Specifically, we … determine the capital allocation that minimizes the excesses of sets of portfolios in lexicographical sense. The excess of a set … of portfolios is defined as the expected loss of that set of portfolios in excess of the amount of risk capital allocated …
Persistent link: https://www.econbiz.de/10013127524
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Pareto optimal allocations and optimal risk sharing for coherent or convex risk measures as well as for insurance … applying inf-convolution of risk measures and convex analysis.In the recent literature, an increasing interest has been devoted … to quasiconvex risk measures, that is risk measures where convexity is replaced by quasiconvexity and cash-additivity is …
Persistent link: https://www.econbiz.de/10013060083