Diversification versus specialization in complex ecosystems.
By analyzing the distribution of revenues across the production sectors of quoted firms we suggest a novel dimension that drives the firms diversification process at country level. Data show a non trivial macro regional clustering of the diversification process, which underlines the relevance of geopolitical environments in determining the microscopic dynamics of economic entities. These findings demonstrate the possibility of singling out in complex ecosystems those micro-features that emerge at macro-levels, which could be of particular relevance for decision-makers in selecting the appropriate parameters to be acted upon in order to achieve desirable results. The understanding of this micro-macro information exchange is further deepened through the introduction of a simplified dynamic model.
IMT Institute for Advanced Studies Lucca, Lucca, Italy; Istituto dei Sistemi complessi ISC-CNR, UOS Sapienza, Roma, Italy.
Riccardo
R
Di Clemente
Istituto dei Sistemi complessi ISC-CNR, UOS Sapienza, Roma, Italy.
Guido L
GL
Chiarotti
Istituto dei Sistemi complessi ISC-CNR, UOS Sapienza, Roma, Italy.
Matthieu
M
Cristelli
Istituto dei Sistemi complessi ISC-CNR, UOS Sapienza, Roma, Italy; Dipartimento di Fisica, Università di Roma "Sapienza", Roma, Italy.
Andrea
A
Tacchella
Istituto dei Sistemi complessi ISC-CNR, UOS Sapienza, Roma, Italy; Dipartimento di Fisica, Università di Roma "Sapienza", Roma, Italy; London Institute for Mathematical Sciences, London, United Kingdom.
Luciano
L
Pietronero
D003132:Commerce; D003657:Decision Making; D004465:Economic Competition; D017753:Ecosystem; D038622:Internationality; D018803:Models, Economic; D011057:Politics; D011157:Population Dynamics