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Decomposition of Emission Multipliers in a National Accounting Matrix Including Environmental Accounts

The Case of Catalonia


Address correspondence to:
Maria Llop
Departament d’Economia
CREIP (Centre de Recerca en Economia Industrial i Economia Pública)
QURE (Quantitative, Urban and Regional Economics)
Universitat Rovira i Virgili
Avgda. Universtitat 1
43204 Reus, Spain


This study defines a linear model of emission multipliers through the use of a national accounting matrix including environmental accounts (NAMEA) for the Catalan economy that integrates the regional economic information with the greenhouse gas emissions. As in the model of income multipliers, emission multipliers can be divided into own effects, open effects, and circular effects. This decomposition shows the channels of income generation and their effects on regional greenhouse gas emissions. Our results reveal significant differences among the three gases analyzed as well as important asymmetries at a sectorial level.