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Deriving cost-efficient strategies for observational assessments of postural loads
University of Gävle, Faculty of Education and Business Studies, Department of Business and Economic Studies, Economics.ORCID iD: 0000-0003-0752-968X
2014 (English)In: Occupational Medicine & Health Affairs, ISSN 1463-502X, E-ISSN 2329-6879, Vol. 2, article id 174Article in journal (Refereed) Published
Abstract [en]

Studies aimed at optimizing resource allocation between different sampling stages are characterized by both simplicity and incompleteness in optimization and economic analysis. The aim of this study was therefore to completely resolve the allocation problem for a fourstage measurement strategy devoted to observational assessment of work-related postural loads with the precision of the mean estimate considered as ‘output’. The derived demand functions for inputs to the four stages were used to derive functions for the minimized cost and the maximized precision of the measurement strategy. The application of the theoretical results to a working posture assessment study led to increased cost efficiency of the measurement strategy investigated in the study. Under the additional constraint that the optimal values must be integers, optimization of this measurement strategy would result in either a 12% reduction in cost or a 7% increase in precision.

Place, publisher, year, edition, pages
2014. Vol. 2, article id 174
Keywords [en]
measurement strategy; demand function; technical efficiency; productive efficiency, cost function
National Category
Occupational Health and Environmental Health
Identifiers
URN: urn:nbn:se:hig:diva-12666DOI: 10.4172/2329-6879.1000174OAI: oai:DiVA.org:hig-12666DiVA, id: diva2:546895
Available from: 2012-08-25 Created: 2012-08-25 Last updated: 2018-03-13Bibliographically approved

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Rezagholi, Mahmoud

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