Entropic measure unveils country competitiveness and product specialization in the World trade web

Abstract We show how the Shannon entropy function can be used as a basis to set up complexity measures weighting the economic efficiency of countries and the specialization of products beyond bare diversification. This entropy function guarantees the existence of a fixed point which is rapidly reach...

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Autores principales:	Gianluca Teza, Michele Caraglio, Attilio L. Stella
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/7373e772df7a4da8b0fa777ace5ce028
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spelling	oai:doaj.org-article:7373e772df7a4da8b0fa777ace5ce0282021-12-02T15:43:08ZEntropic measure unveils country competitiveness and product specialization in the World trade web10.1038/s41598-021-89519-32045-2322https://doaj.org/article/7373e772df7a4da8b0fa777ace5ce0282021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-89519-3https://doaj.org/toc/2045-2322Abstract We show how the Shannon entropy function can be used as a basis to set up complexity measures weighting the economic efficiency of countries and the specialization of products beyond bare diversification. This entropy function guarantees the existence of a fixed point which is rapidly reached by an iterative scheme converging to our self-consistent measures. Our approach naturally allows to decompose into inter-sectorial and intra-sectorial contributions the country competitivity measure if products are partitioned into larger categories. Besides outlining the technical features and advantages of the method, we describe a wide range of results arising from the analysis of the obtained rankings and we benchmark these observations against those established with other economical parameters. These comparisons allow to partition countries and products into various main typologies, with well-revealed characterizing features. Our methods have wide applicability to general problems of ranking in bipartite networks.Gianluca TezaMichele CaraglioAttilio L. StellaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Gianluca Teza Michele Caraglio Attilio L. Stella Entropic measure unveils country competitiveness and product specialization in the World trade web
description	Abstract We show how the Shannon entropy function can be used as a basis to set up complexity measures weighting the economic efficiency of countries and the specialization of products beyond bare diversification. This entropy function guarantees the existence of a fixed point which is rapidly reached by an iterative scheme converging to our self-consistent measures. Our approach naturally allows to decompose into inter-sectorial and intra-sectorial contributions the country competitivity measure if products are partitioned into larger categories. Besides outlining the technical features and advantages of the method, we describe a wide range of results arising from the analysis of the obtained rankings and we benchmark these observations against those established with other economical parameters. These comparisons allow to partition countries and products into various main typologies, with well-revealed characterizing features. Our methods have wide applicability to general problems of ranking in bipartite networks.
format	article
author	Gianluca Teza Michele Caraglio Attilio L. Stella
author_facet	Gianluca Teza Michele Caraglio Attilio L. Stella
author_sort	Gianluca Teza
title	Entropic measure unveils country competitiveness and product specialization in the World trade web
title_short	Entropic measure unveils country competitiveness and product specialization in the World trade web
title_full	Entropic measure unveils country competitiveness and product specialization in the World trade web
title_fullStr	Entropic measure unveils country competitiveness and product specialization in the World trade web
title_full_unstemmed	Entropic measure unveils country competitiveness and product specialization in the World trade web
title_sort	entropic measure unveils country competitiveness and product specialization in the world trade web
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/7373e772df7a4da8b0fa777ace5ce028
work_keys_str_mv	AT gianlucateza entropicmeasureunveilscountrycompetitivenessandproductspecializationintheworldtradeweb AT michelecaraglio entropicmeasureunveilscountrycompetitivenessandproductspecializationintheworldtradeweb AT attiliolstella entropicmeasureunveilscountrycompetitivenessandproductspecializationintheworldtradeweb
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Entropic measure unveils country competitiveness and product specialization in the World trade web

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