Portuguese National Accounts: a network approach

Rui Faustino

No 2016/18, Working Papers Department of Economics from ISEG - Lisbon School of Economics and Management, Department of Economics, Universidade de Lisboa

Abstract: In recent years, the Portuguese economy has gone through a severe adjustment process, which affected almost every sector of the economy. Therefore, it is important to study how the structure of the economy changed during this period. To that end, using data on the annual output by industry and product from National Accounts, we developed a network of industries for the years 2010 and 2013. By comparing the Minimal Spanning Trees and a set of topological coefficients for the years considered, we evaluate the structural evolution of the economy. In order to get a long term view, we extended the analysis to the period between 1995 and 2010. We found that the industries linked to trade activities maintained their centrality, although they decreased their importance over time. Together with construction activities, they were among the most severely affected industries. Key Words : National Accounts, Network Analysis, Minimal Spanning Trees, Clusters

Date: 2016-09
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