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...
Corrado DI Guilmi   Yoshi Fujiwara   
VOX EU 2022年11月
Recent literature has established the roles played by input-output networks and the distribution of firm size in amplifying microeconomic shocks and impacting business cycles. However, the dependencies between the network and firm size distributio...
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")