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globalchange > 过去全球变化的重建

DOI:	10.1371/journal.pone.0123079
论文题名:	Bank-Firm Credit Network in Japan: An Analysis of a Bipartite Network
作者:	Luca Marotta; Salvatore Miccichè; Yoshi Fujiwara; Hiroshi Iyetomi; Hideaki Aoyama; Mauro Gallegati; Rosario N. Mantegna
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2015
发表日期:	2015-5-1
卷:	10, 期:5
语种:	英语
英文关键词:	Economic geography ; Economics ; Japan ; Finance ; Structure of markets ; Algorithms ; Equipment ; Complex systems
英文摘要:	We investigate the networked nature of the Japanese credit market. Our investigation is performed with tools of network science. In our investigation we perform community detection with an algorithm which is identifying communities composed of both banks and firms. We show that the communities obtained by directly working on the bipartite network carry information about the networked nature of the Japanese credit market. Our analysis is performed for each calendar year during the time period from 1980 to 2011. To investigate the time evolution of the networked structure of the credit market we introduce a new statistical method to track the time evolution of detected communities. We then characterize the time evolution of communities by detecting for each time evolving set of communities the over-expression of attributes of firms and banks. Specifically, we consider as attributes the economic sector and the geographical location of firms and the type of banks. In our 32-year-long analysis we detect a persistence of the over-expression of attributes of communities of banks and firms together with a slow dynamic of changes from some specific attributes to new ones. Our empirical observations show that the credit market in Japan is a networked market where the type of banks, geographical location of firms and banks, and economic sector of the firm play a role in shaping the credit relationships between banks and firms.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0123079&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/22283
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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File Name/ File Size	Content Type	Version	Access	License
journal.pone.0123079.PDF（2678KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

Dipartimento di Fisica e Chimica, Università di Palermo, Palermo, Italy;Dipartimento di Fisica e Chimica, Università di Palermo, Palermo, Italy;Graduate School of Simulation Studies, The University of Hyogo, Kobe, Japan;Department of Mathematics, Niigata University, Niigata, Japan;Graduate School of Sciences, Kyoto University, Kyoto, Japan;Dipartimento di Scienze Economiche e Sociali, Università Politecnica delle Marche, Ancona, Italy;Dipartimento di Fisica e Chimica, Università di Palermo, Palermo, Italy;Center for Network Science and Department of Economics, Central European University, Budapest, Hungary

Recommended Citation:

Luca Marotta,Salvatore Miccichè,Yoshi Fujiwara,et al. Bank-Firm Credit Network in Japan: An Analysis of a Bipartite Network[J]. PLOS ONE,2015-01-01,10(5)

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