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Two-Level Lot Sizing Models for an Unreliable Production Facility: Case of Finite Horizon and Single Demand.
Hafsi, M.E. - A. Gary Anderson Graduate School of Management, … - 1999
In this paper we propose several models for production lot sizing for finite horizon and single quantity demands. We consider two-level inventory systems in which we take into account inventory costs for finished as well as unfinished goods. The production facility is subject to failures and...
Persistent link: https://www.econbiz.de/10005474841
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Public Infrastructure, Regional efficiency, and Factor Substitutiability in Atlatic Canada Manufacturing.
Brox, J.A.; fader, C.A. - 1996
In this paper we seek to add to the understanding of the cost characteristics of Atlantic Canadian manufacturing. We examine the effects of public infrastructure on provincial manufacturing costs. The modelling technique employed is that of the CES-TL variable system.
Persistent link: https://www.econbiz.de/10005669873
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Modelling Practical Lot-Sizing Problems as Mixed iInteger Programs.
Belvaux, G.; Wolsley, L.A. - Center for Operations Research and Econometrics (CORE), … - 2000
After reviewing some of the basic preprocessins techniques for handling safety stocks and multilevel problems, we discusss a variety of aspects arising particularly in small and large bucket (time period) models such as stars-ups, changeovers, minimum batch sizes, choice of one or two set-ups...
Persistent link: https://www.econbiz.de/10005779513
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Public Infrastructure, Regional efficiency, and Factor Substitutiability in Atlatic Canada Manufacturing.
Brox, J.A.; fader, C.A. - Department of Economics, University of Waterloo - 1996
In this paper we seek to add to the understanding of the cost characteristics of Atlantic Canadian manufacturing. We examine the effects of public infrastructure on provincial manufacturing costs. The modelling technique employed is that of the CES-TL variable system.
Persistent link: https://www.econbiz.de/10005227875
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Integration vs. Outsourcing in Industry Equilibrium.
Grossman, G.M.; Helpman, E. - Foerder Institute for Economic Research, Eitan Berglas … - 2001
We develop an equilibrium model of industrial structure in which the organization of firms is endogenous. Differentiated consumer products can be produced either by vertically integrated firms or by pairs of specialized companies. Production of each variety of consumer good requires a unique,...
Persistent link: https://www.econbiz.de/10005487329
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The Uncapacitated Lot-Sizing Problem with Sales and Safety Shocks.
Loparic, M.; Pochet, Y.; Wolsey, L.A. - Center for Operations Research and Econometrics (CORE), … - 1999
The authors examine a variant of the uncapacitated lot-sizing model of Wagner-Within involving sales instead of fixed demands, and lower bounds on stocks. Two extended formulations are presented, as well as a dynamic programming algorithm and a complete description of the convex hull of solutions.
Persistent link: https://www.econbiz.de/10005779512
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Modelling Business Ownership in the Netherlands.
Bosma, N.S.; Wennekers, A.R.M.; de Wie, G.; Zwinkels, W.S. - NEUHUYS - RESEARCH INSTITUTE FOR SMALL AND MEDIUM - 1999
This paper describes a model designed to explain the observed developments of the business ownership rate as well as gross entry and exit rates. Besides explaining the past, the model is used for exploring the future using scenario analysis.
Persistent link: https://www.econbiz.de/10005609517
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Knowledge in Economic Models.
Boland, L.A. - Department of Economics, Simon Fraser University - 1999
Long ago I began teaching my students that they should consider knowledge to be like health rather than like wealth …. That is, knowledge is not something quantifiable that you can have more of, instead, it is something that can be improved … knowledge and learning is so commonplace that it is difficult for most economic model builders to consider any alternative …
Persistent link: https://www.econbiz.de/10005767735
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Knowledge in Economic Models.
Boland, L.A. - 1999
Long ago I began teaching my students that they should consider knowledge to be like health rather than like wealth …. That is, knowledge is not something quantifiable that you can have more of, instead, it is something that can be improved … knowledge and learning is so commonplace that it is difficult for most economic model builders to consider any alternative …
Persistent link: https://www.econbiz.de/10005631118