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External dependency, value added generation and structural change: an interindustry approach
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Orientador(es)
Resumo(s)
The external dependency of many industries and the corresponding low value added generated in production create high external deficits and growing debt to GDP ratios in several open economies. In this paper we propose an empirical method to assess the evolution of these vulnerabilities, based on a new treatment of interindustry production multipliers. The (gross) output growth potential given by the column sums of the Leontief inverse matrix (backward linkage indicators) results from three terms: interindustry consumptions, value added and imported inputs. After a convenient arrangement of these terms, the evolution of backward linkage indicators can be used to detect structural changes, particularly quantifying a (net) growth effect (more value-added generation) and an external dependency effect (more imported inputs), and to classify the productive sectors accordingly. An application to the Portuguese Economy is made, using input-output tables for the years 1980, 1995 and 2005. This method can also be useful as a simple, but suggestive, device to compare the evolution of two or more economies, along their development processes in time.
Descrição
Palavras-chave
Input-Output Linkages External Dependency Structural Change Portugal
Contexto Educativo
Citação
Amaral, João Ferreira do, João Carlos Lopes e João Dias. 2010. "External dependency, value added generation and structural change: an interindustry approach". Instituto Superior de Economia e Gestão - DE Working papers nº 12-2010/DE/UECE
Editora
ISEG - Departamento de Economia