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Title: A new method of identifying key industries: a principal component analysis
Authors: Tsoulfidis, Lefteris
Athanasiadis, Ioannis
Type: Article
Subjects: FRASCATI::Natural sciences::Mathematics::Statistics and probability
Keywords: input
principal component analysis
Issue Date: 2022
Source: Journal of Economic Structures
Volume: 11
First Page: 2
Abstract: This article using the principal components analysis identifies key industries and groups them into particular clusters. The data come from the US benchmark input–output tables of the years 2002, 2007, 2012 and the most recently published input–output table of the year 2019. We observe some intertemporal switches of industries both between and within the top clusters. The findings further suggest that structural change is a slow-moving process and it takes time for some industries to move from one cluster to the other. This information may be proved important in the designation of effective economic policies by targeting key industries and also for the stability properties of the economic system.
ISSN: 2193-2409
Other Identifiers: 10.1186/s40008-022-00261-z
Appears in Collections:Department of Economics

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