%0 Journal Article
%@ 1932-6203
%A Saracco, Fabio
%A Di Clemente, Riccardo
%A Gabrielli, Andrea
%A Pietronero, Luciano
%D 2015
%F eprints:2902
%I Public Library of Science
%J PloS One
%K Network motifs, Simulation and modeling, Economics, Economic growth
%N 11
%P e0140420
%T From Innovation to Diversification: A Simple Competitive Model
%U http://eprints.imtlucca.it/2902/
%V 10
%X <p>Few attempts have been proposed in order to describe the statistical features and historical evolution of the export bipartite matrix countries/products. An important standpoint is the introduction of a products network, namely a hierarchical forest of products that models the formation and the evolution of commodities. In the present article, we propose a simple dynamical model where countries compete with each other to acquire the ability to produce and export new products. Countries will have two possibilities to expand their export: innovating, i.e. introducing new goods, namely new nodes in the product networks, or copying the productive process of others, i.e. occupying a node already present in the same network. In this way, the topology of the products network and the country-product matrix evolve simultaneously, driven by the countries push toward innovation.</p>