REGIONAL AND SECTORAL DISAGGREGATION OF MULTI-REGIONAL INPUT-OUTPUT TABLES - A FLEXIBLE ALGORITHM

Leonie Wenz, Sven Norman Willner, Alexander Radebach, Robert Bierkandt, Jan Steckel and Anders Levermann

Economic Systems Research, 2015, vol. 27, issue 2, 194-212

Abstract: A common shortcoming of available multi-regional input-output (MRIO) data sets is their lack of regional and sectoral detail required for many research questions (e.g. in the field of disaster impact analysis). We present a simple algorithm to refine MRIO tables regionally and/or sectorally. By the use of proxy data, each MRIO flow in question is disaggregated into the corresponding sub-flows. This downscaling procedure is complemented by an adjustment rule ensuring that the sub-flows match the superordinate flow in sum. The approximation improves along several iteration steps. The algorithm unfolds its strength through the flexible combination of multiple, possibly incomplete proxy data sources. It is also flexible in a sense that any target sector and region resolution can be chosen. As an exemplary case we apply the algorithm to a regional and sectoral refinement of the Eora MRIO database.

Date: 2015
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DOI: 10.1080/09535314.2014.987731

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