Cryptoassets flow among players as recorded in the ledger of blockchain for all the transactions, comprising a network of players as nodes and flows as edges. The last decade, on the other hand, has witnessed repeating bubbles and crashes of the p...
Hideaki Aoyama   Corrado Di Guilmi   Yoshi Fujiwara   Hiroshi Yoshikawa   
Journal of Evolutionary Economics 32(5) 1419-1435 2022年8月 [査読有り]
Abstract
Low inflation was once welcomed by both policymakers and the public. However, Japan’s experience during the 1990s changed the consensus of economists and central banks around the world regarding prices. Facing deflation and the zero-inte...
In this study, we investigate the flow of money among bank accounts possessed by firms in a region by employing an exhaustive list of all the bank transfers in a regional bank in Japan, to clarify how the network of money flow is related...
Econophysics and Companies: Statistical Life and Death in Complex Business Networks 1-234 2010年1月
Econophysics is an emerging interdisciplinary field that takes advantage of the concepts and methods of statistical physics to analyse economic phenomena. This book expands the explanatory scope of econophysics to the real economy by using methods...
Production network refers to a line of economic activities in which firms buy intermediate goods from "upstream" firms, put added-values on them, and sell the goods to "downstream" firms or consumers in the end of the line. The entire line of thes...
Frédéric Abergel, Hideaki Aoyama, Bikas K. Chakrabarti, Anirban Chakraborti, Asim Ghosh(担当:分担執筆, 範囲:Anirban Chakraborti, Yoshi Fujiwara, Asim Ghosh, Jun-ichi Inoue and Sitabhra Sinha, "Physicists' Approaches to a Few Economic Problems")