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The \emph{World Trade Web} (WTW), the network defined by the international import/export trade relationships, has been recently shown to display some important topological properties which are tightly related to the Gross Domestic Product…

Physics and Society · Physics 2009-02-06 D. Garlaschelli , M. I. Loffredo

In economic literature, economic complexity is typically approximated on the basis of an economy's gross export structure. However, in times of ever increasingly integrated global value chains, gross exports may convey an inaccurate image…

General Economics · Economics 2020-12-11 Philipp Koch

Tree-based machine learning algorithms provide the most precise assessment of the feasibility for a country to export a target product given its export basket. However, the high number of parameters involved prevents a straightforward…

General Economics · Economics 2022-12-07 Massimiliano Fessina , Giambattista Albora , Andrea Tacchella , Andrea Zaccaria

Technological improvement is the most important cause of long-term economic growth. We study the effects of technology improvement in the setting of a production network, in which each producer buys input goods and converts them to other…

General Finance · Quantitative Finance 2022-09-13 James McNerney , Charles Savoie , Francesco Caravelli , Vasco M. Carvalho , J. Doyne Farmer

International trade fluxes evolve as countries revise their portfolios of trade products towards economic development. Accordingly products' shares in international trade vary with time, reflecting the transfer of capital between distinct…

Trading and Market Microstructure · Quantitative Finance 2018-01-16 Matthieu Barbier , D. -S. Lee

Ecology and evolution are inseparable. Motivated by some recent experiments, we have developed models of evolutionary ecology from the perspective of dynamic networks. In these models, in addition to the intra-node dynamics, which…

Populations and Evolution · Quantitative Biology 2009-11-10 Debashish Chowdhury , Dietrich Stauffer

We reconstruct the innovation dynamics of about two hundred thousand companies by following their patenting activity for about ten years. We define the technological portfolios of these companies as the set of the technological sectors…

Physics and Society · Physics 2021-10-06 Matteo Straccamore , Luciano Pietronero , Andrea Zaccaria

In this paper we develop a methodology to analyze and compare multiple global networks. We focus our analysis on the relation between human migration and trade. First, we identify the subset of products for which the presence of a community…

Physics and Society · Physics 2015-02-24 Paolo Sgrignoli , Rodolfo Metulini , Stefano Schiavo , Massimo Riccaboni

The interdependent nature of the global economy has become stronger with increases in international trade and investment. We propose a new model to reconstruct the international trade network and associated cost network by maximizing…

Physics and Society · Physics 2018-06-05 Yuichi Ikeda , Hiroshi Iyetomi

We analyse global export data within the Economic Complexity framework. We couple the new economic dimension Complexity, which captures how sophisticated products are, with an index called logPRODY, a measure of the income of the respective…

Economics · Quantitative Finance 2017-05-26 Orazio Angelini , Matthieu Cristelli , Andrea Zaccaria , Luciano Pietronero

Humans stand alone in terms of their potential to collectively and cumulatively change their culture in an open-ended manner. This open-endedness provides societies with the ability to continually expand their resources and to increase…

Neural and Evolutionary Computing · Computer Science 2026-01-06 James Winters , Mathieu Charbonneau

Competition is one of the most fundamental phenomena in physics, biology and economics. Recent studies of the competition between innovations have highlighted the influence of switching costs and interaction networks, but the problem is…

Physics and Society · Physics 2011-01-06 Carlos P. Roca , Moez Draief , Dirk Helbing

We consider a simple variant of the von Neumann model of an expanding economy, in which multiple producers make goods according to their production function. The players trade their goods at the market and then use the bundles acquired for…

Computer Science and Game Theory · Computer Science 2019-09-27 Simina Brânzei , Ruta Mehta , Noam Nisan

Economic complexity reflects the amount of knowledge that is embedded in the productive structure of an economy. By combining tools from network science and econometrics, a robust and stable relationship between a country's productive…

Economics · Quantitative Finance 2016-11-22 Viktor Stojkoski , Zoran Utkovski , Ljupco Kocarev

For Adam Smith, wealth was related to the division of labor. As people and firms specialize in different activities, economic efficiency increases, suggesting that development is associated with an increase in the number of individual…

General Finance · Quantitative Finance 2009-09-23 Cesar A. Hidalgo , Ricardo Hausmann

Economic growth results from countries' accumulation of organizational and technological capabilities. The Economic and Product Complexity Indices, introduced as an attempt to measure these capabilities from a country's basket of exported…

General Economics · Economics 2024-06-25 Carlo Bottai , Jacopo Di Iorio , Martina Iori

The authors hypothesised that export develops in the network of business collaborations that are embedded in migration status. In that, collaborative networking positively affects export performance and immigrant entrepreneurs enjoy higher…

General Economics · Economics 2022-05-27 Shayegheh Ashourizadeh , Mehrzad Saeedikiya

We use citation data of scientific articles produced by individual nations in different scientific domains to determine the structure and efficiency of national research systems. We characterize the scientific fitness of each nation (that…

Physics and Society · Physics 2015-06-22 Giulio Cimini , Andrea Gabrielli , Francesco Sylos Labini

In this work, we present a model based on a competitive dynamics that intends to imitate the processes leading to some characteristics of the geopolitical division. The model departs from very simple principles of geopolitical theory and…

Adaptation and Self-Organizing Systems · Physics 2010-11-24 M. N. Kuperman

The notion of the "adjacent possible" has been advanced to theorize the generation of novelty across many different research domains. This study is an attempt to examine in what way the notion can be made empirically useful for innovation…

General Economics · Economics 2025-08-28 Josef Taalbi