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Optimizing the fraction of expensive direct measurements in an exposure assessment study
Högskolan i Gävle, Akademin för utbildning och ekonomi, Avdelningen för ekonomi, Nationalekonomi. (Nationalekonomi)ORCID-id: 0000-0003-0752-968X
Högskolan i Gävle, Akademin för utbildning och ekonomi, Avdelningen för ekonomi, Nationalekonomi. (Nationalekonomi)
2014 (engelsk)Inngår i: International Journal of Statistics in Medical Research, ISSN 1929-6029, Vol. 3, nr 1, s. 44-54Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

When designing studies to assess occupational and environmental exposures, one persistent decision problem is the selection between two technical methods, where one is expensive but efficient and the other is cheap but inefficient. While a few studies have attempted to determine the relatively more cost-efficient design between two technical methods, no successful study has optimized the fraction of the expensive efficient technical method in a combined technique intended for long-run exposure assessment studies. The purpose of this study was therefore to optimize the fraction of the expensive efficient measurements by resolving a precision-requiring cost minimization problem. For an indefinite total number of measurements, the total cost of a working posture assessment study was minimized by performing only direct measurements. However, for a definite total number of measurements, the use of combined techniques in assessing the posture could be optimal, depending on the constraints placed on the precision and on the research budget.

sted, utgiver, år, opplag, sider
2014. Vol. 3, nr 1, s. 44-54
Emneord [en]
combined technique, cost function, productive efficiency, cost savings, marginal cost-benefit ratio, diseconomies of scale
HSV kategori
Identifikatorer
URN: urn:nbn:se:hig:diva-12679DOI: 10.6000/1929-6029.2014.03.01.6OAI: oai:DiVA.org:hig-12679DiVA, id: diva2:547235
Tilgjengelig fra: 2012-08-27 Laget: 2012-08-27 Sist oppdatert: 2018-03-13bibliografisk kontrollert

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Rezagholi, MahmoudBantekas, Apostolos

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Totalt: 547 treff
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