Hantering av klimatvärdering i infrastrukturprojekt

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Elisabet Idar Angelov
Fredrik Hansen
Svante Mandell

This report studies the principles behind selecting a monetized value for CO2 emissions in cost-benefit analyses. It also aims at discussing the fundamental uncertainties associated with estimating a CO2 value. However, the report does not suggest a value. We argue that the value must derive from the existing and expected future policies geared towards the transport sector. These policies are partly based on the social cost estimates and climate research available. We describe this as a two-step procedure where the policy makers, in step one, let the available information influence their choice of policy design. In step two, the implemented policy results in shadow prices and these are the relevant prices to include in a project cost-benefit analysis. In the short run, we argue that a relevant interval for a CO2 value is between 0,20 and 2 SEK per kg CO2. The lower bound is based on the emission permit prices in the EU ETS and the upper originates from a SIKA-estimate. Moreover, we argue that the CO2 value in the analysis should evolve over time as it is probable that the climate policy will become stricter.

Alternative URL: ht tp://fudinfo.trafikverket.se/fudinfoexternwebb/Publikationer/Publikationer_00100 1_001100/Publikation_001099/R692%20Hantering%20av%20klimatv%c3%a4rdering%20i%20i nfrastrukturobjekt.pdf

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