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A revised calculation of the econometric factors α- and β for the Extended Exergy Accounting method

Enrico Sciubba

Ecological Modelling, 2011, vol. 222, issue 4, 1060-1066

Abstract: Extended Exergy Accounting (“EEA”) is a method to compute the space- and time integral of the primary exergy required to produce a good or a service: the extended exergy of a commodity measures its “embodied exergy”, including externalities (Labour, Capital and Environmental Costa). A crucial point of the method is the calculation of two econometric coefficients, commonly referred to as “α” and “β”,used to calculate the extended exergy equivalents of Labour and Capital respectively. In previous applications of the EEA method, these coefficients have been assigned approximate values estimated on the basis of global system considerations. In this paper, a novel procedure is described that leads to the calculation of “exact” values of both econometric coefficients, based on detailed exergy- and monetary balances of the Society to which the EEA is applied. It is shown that both α and β depend in a non-trivial way from the consumption patterns, the technological level and the life- and socio-economic standards of each Country. It is also shown that the values are substantially different for developed (OECD) and underdeveloped Countries, and representative samples of values are calculated and critically analysed. On the basis of these new model coefficients, the specific exergy equivalents of Labour (eeL) and of Capital (eeK) are calculated, and shown to differ from the values used in previous EEA calculations.

Keywords: Extended Exergy Accounting; Embodied exergy analysis; Exergy-life cycle; Specific consumption indices (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (23)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecomod:v:222:y:2011:i:4:p:1060-1066

DOI: 10.1016/j.ecolmodel.2010.11.003

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