29 January 10 - Workshop - EXTERNALITIES IN AN INPUT-OUTPUT FRAMEWORK - 5 March 2010, Leiden


Friday 5 March 2010, CML, Leiden University, Leiden, Netherlands, organised by TNO, the Netherlands

Registration: please register via SCORE

EXIOPOL is an Integrated Project under the EU's 6th Framework Program of 5 Million Euro, lead by FEEM and TNO, consisting of 36 other partners, and running between 2007 and 2011. The project has two main goals. First, the project aims to develop and/or improve external cost data for a great number of societal processes, such as agriculture, forestry, and industry. Second, the project develops a global, multi-regional economic input output database with environmental extensions (MR EE IO).

The project wants to link these two bodies of work, but historically and conceptually they come from very different backgrounds. Externality research is a 'bottom-up' type of impact assessment. Spatial and temporal variability in emissions, disperson, background concentrations, exposed objects, etc., play a key role in assessing the external costs (usually damage costs) of an activity. EE IO on the other hand gives insight in economic relations between industry sectors at (usually) country level. It hence inherently has a meso/macro character. Traditionally, EE IO is hence linked to 'top-down' impact assessment methods such as life cycle impact assessment (LCIA) using time- and space averaged 'potential impact' mid-point indicators such as Global Warming Potential, Acidification, or end-point indicators like Disability Adjusted Life Years lost (DALY's). Recent work on ‘regionalisation in LCA’, where LCIA specialist try to bring in ‘bottom up’ elements in ‘top down’ LCIA, is an interesting attempt to bridge this gap.

Conceptually, various approaches can be thought of to bridge this gap and to develop externality values that fit in an EE IO framework. Examples include:
- calculate end point indicators like DALYs and multiply with a generic externality cost value for this end point
- calculate mid point indicators, where possible using novel LCIA methods that to try to include spatial variabilty, and multiply with externality cost data for such indicators (e.g. GWP or acidification)
- calculate average externality values per type of emission and industry in a country, and apply these directly on the EE IO table.

All these approaches have their pro's and con's, and consistency across sectors, emissions, and type of impacts is an important issue. The workshop invites papers on the following issues:
- conceptual and methodological deliberations on linking externalities and EE IO;
- practical examples for specific emissions and impacts of how externalities can be linked to EE IO
- analyses of which externalities are most relevant from a macro/meso perspective, and for which emissions and sectors the issue of spatial and temporal variability is so relevant that it truly can have an impact on this macro/meso perspective.

The workshop will be limited to about 40 participants. The workshop is free of charge but participants need to cover their own travel and subsistence. Contributors are likely to have a background in externalities, Life cycle impact assessment, and other impact assessment methods such as ecological footprinting, material flow analysis, etc.

Call for abstracts workshop 'Externalities in an Input-Output framework' [pdf-85Kb]

  • Abstracts should be sent before 29 january 2010 to suus.burger@tno.nl with EXIOPOL WORKSHOP ABSTRACT in the subject header. A scientific committee selected from key EXIOPOL partners will select abstracts on the basis of criteria like quality and the relevance for EXIOPOL.

We hope to see you in Leiden on Friday 5 March!

Dr. Arnold Tukker, TNO (main organiser)
Dr. Reinout Heijungs, CML (host institute for the workshop)

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