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A multi-regional input-output table (MRIOT) containing the transactions among the region-sectors in an economy defines a weighted and directed network. Using network analysis tools, we analyze the regional and sectoral structure of the…

物理与社会 · 物理学 2021-07-14 Tao Wang , Shiying Xiao , Jun Yan , Panpan Zhang

Inter-firm organizations, which play a driving role in the economy of a country, can be represented in the form of a customer-supplier network. Such a network exhibits a heavy-tailed degree distribution, disassortative mixing and a…

物理与社会 · 物理学 2018-09-19 Abhijit Chakraborty , Hazem Krichene , Hiroyasu Inoue , Yoshi Fujiwara

This paper studies the structure of the Japanese production network, which includes one million firms and five million supplier-customer links. This study finds that this network forms a tightly-knit structure with a core giant strongly…

Industrial development is the process by which economies learn how to produce new products and services. But how do economies learn? And who do they learn from? The literature on economic geography and economic development has emphasized…

经济学 · 定量金融 2017-03-07 Jian Gao , Bogang Jun , Alex "Sandy" Pentland , Tao Zhou , Cesar A. Hidalgo

An analysis of the Japanese credit market in 2004 between banks and quoted firms is done in this paper using the tools of the networks theory. It can be pointed out that: (i) a backbone of the credit channel emerges, where some links play a…

统计金融 · 定量金融 2010-11-09 G. De Masi , Y. Fujiwara , M. Gallegati , B. Greenwald , J. E. Stiglitz

We analyze the multilayer architecture of the global input-output network using sectoral trade data (WIOD, 2016 release). With a focus on the mesoscale structure and related properties, our multilayer analysis takes into consideration the…

计量经济学 · 经济学 2022-11-10 Rosanna Grassi , Paolo Bartesaghi , Gian Paolo Clemente , Duc Thi Luu

We investigated the temporally evolving network structures of the Japanese and Korean stock markets through the minimum spanning trees composed of listed stocks. We tested the validity of conventional grouping by industrial categories, and…

物理与社会 · 物理学 2008-12-02 Woo-Sung Jung , Okyu Kwon , Taisei Kaizoji , Seungbyung Chae , Hie-Tae Moon

Theory of complex networks proved successful in the description of a variety of static networks ranging from biology to computer and social sciences and to economics and finance. Here we use network models to describe the evolution of a…

物理与社会 · 物理学 2014-08-25 Zhen Zhu , Federica Cerina , Alessandro Chessa , Guido Caldarelli , Massimo Riccaboni

We present an analysis of the credit market of Japan. The analysis is performed by investigating the bipartite network of banks and firms which is obtained by setting a link between a bank and a firm when a credit relationship is present in…

We investigate structural change in the PR China during a period of particularly rapid growth 1998-2014. For this, we utilize sectoral data from the World Input-Output Database and firm-level data from the Chinese Industrial Enterprise…

综合经济学 · 经济学 2020-10-01 Torsten Heinrich , Jangho Yang , Shuanping Dai

A key element to understand complex systems is the relationship between the spatial scale of investigation and the structure of the interrelation among its elements. When it comes to economic systems, it is now well-known that the…

物理与社会 · 物理学 2022-02-07 Dario Laudati , Manuel S. Mariani , Luciano Pietronero , Andrea Zaccaria

Every nation prioritizes the inclusive economic growth and development of all regions. However, we observe that economic activities are clustered in space, which results in a disparity in per-capita income among different regions. A…

综合经济学 · 经济学 2020-09-01 Abhijit Chakraborty , Hiroyasu Inoue , Yoshi Fujiwara

The economical world consists of a highly interconnected and interdependent network of firms. Here we develop temporal and structural network tools to analyze the state of the economy. Our analysis indicates that a strong clustering can be…

This paper examines the latent functional block structure of Japan's production network using interregional input-output data. To isolate non-trivial production linkages, we first estimate a structural gravity model to account for spatial…

物理与社会 · 物理学 2026-03-27 Shota Fujishima

We study the structure of inter-industry relationships using networks of money flows between industries in 20 national economies. We find these networks vary around a typical structure characterized by a Weibull link weight distribution,…

物理与社会 · 物理学 2014-07-25 James McNerney , Brian D. Fath , Gerald Silverberg

China is the world's second largest economy. After four decades of economic miracles, China's economy is transitioning into an advanced, knowledge-based economy. Yet, we still lack a detailed understanding of the skills that underly the…

Labor productivity was studied at the microscopic level in terms of distributions based on individual firm financial data from Japan and the US. A power-law distribution in terms of firms and sector productivity was found in both countries'…

综合金融 · 定量金融 2015-05-13 Yuichi Ikeda , Wataru Souma

Economic systems, traditionally analyzed as almost independent national systems, are increasingly connected on a global scale. Only recently becoming available, the World Input-Output Database (WIOD) is one of the first efforts to construct…

物理与社会 · 物理学 2015-08-19 Federica Cerina , Zhen Zhu , Alessandro Chessa , Massimo Riccaboni

Information diffusion within financial markets plays a crucial role in the process of price formation and the propagation of sentiment and risk. We perform a comparative analysis of information transfer between industry sectors of the…

统计金融 · 定量金融 2020-04-17 Peng Yue , Yaodong Fan , Jonathan A. Batten , Wei-Xing Zhou

Ranking sectors and countries within global value chains is of paramount importance to estimate risks and forecast growth in large economies. However, this task is often non-trivial due to the lack of complete and accurate information on…

物理与社会 · 物理学 2025-01-28 Silvia Bartolucci , Fabio Caccioli , Francesco Caravelli , Pierpaolo Vivo
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