Hiroshi Iyetomi

Niigata University

Professor of Mathematics

8050 Ikarashi-2-cho

Nishi-ku

Niigata, 9502181

Japan

SCHOLARLY PAPERS

14

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814

CITATIONS
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Top 39,946

in Total Papers Citations

12

Scholarly Papers (14)

1.

Interdependencies and Causalities in Coupled Financial Networks

I. Vodenska, H. Aoyama, Y. Fujiwara, H. Iyetomi, Y. Arai, Interdependencies and causalities in complex financial networks, PLoS ONE 11(3): e0150994. doi:10.1371/journal.pone.0150994 (2016), 29th Australasian Finance and Banking Conference 2016
Number of pages: 30 Posted: 08 Aug 2014 Last Revised: 11 May 2016
Boston University Metropolitan College, GSAIS, Kyoto University, University of Hyogo - Graduate School of Simulation Studies, Niigata University and Niigata University
Downloads 184 (162,890)
Citation 3

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Complex Principal Component Analysis, Hilbert Transform, Financial Networks, Foreign Exchange, Equity Markets

2.

Deflation/Inflation Dynamics: Analysis Based on Micro Prices

Number of pages: 60 Posted: 16 Feb 2015 Last Revised: 17 Feb 2015
University of Tokyo - Faculty of Economics, GSAIS, Kyoto University, University of Hyogo - Graduate School of Simulation Studies and Niigata University
Downloads 112 (243,594)
Citation 6

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CPI, sticky prices, Hilbert transformation, CPCA

3.

Systemic Risk and Vulnerabilities of Bank Networks

Number of pages: 54 Posted: 10 Oct 2017 Last Revised: 12 Oct 2017
Boston University Metropolitan College, GSAIS, Kyoto University, Boston University - Department of Physics, University of Hyogo - Graduate School of Simulation Studies, Niigata University and Kyoto University
Downloads 88 (286,160)
Citation 1

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Systemic Risk, Macroprudential Regulation, European Bank Network, Stress Testing, Portfolio Overlap

4.

Bank-Firm Credit Network in Japan. An Analysis of a Bipartite Network

Number of pages: 9 Posted: 22 Jul 2014
University of Palermo, University of Palermo - Department of Physics and Chemistry, University of Hyogo - Graduate School of Simulation Studies, Niigata University, GSAIS, Kyoto University, Università Politecnica delle Marche - Faculty of Economics and University of Palermo
Downloads 84 (294,601)
Citation 3

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Credit market, Networked market, Financial networks, Bipartite networks

5.

Structure and Temporal Change of the Credit Network between Banks and Large Firms in Japan

Economics: The Open-Access, Open-Assessment E-Journal, Vol. 3, 2009-7
Number of pages: 20 Posted: 18 Dec 2010
University of Hyogo - Graduate School of Simulation Studies, GSAIS, Kyoto University, affiliation not provided to SSRN, Niigata University and ATR-NIS Network Informatics Laboratories
Downloads 84 (294,601)

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Banking, credit topology, bipartite network, systemic risk

Distribution of Labour Productivity in Japan Over the Period 1996 - 2006

Economics Discussion Paper No. 2009-2
Number of pages: 13 Posted: 18 Dec 2010
Wataru Souma, Yuichi Ikeda, Hiroshi Iyetomi and Yoshi Fujiwara
ATR-NIS Network Informatics Laboratories, affiliation not provided to SSRN, Niigata University and University of Hyogo - Graduate School of Simulation Studies
Downloads 28 (487,772)
Citation 1

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Labour productivity, marginal labour productivity, inequality

Distribution of Labour Productivity in Japan Over the Period 1996-2006

Economics: The Open-Access, Open-Assessment E-Journal, Vol. 3, 2009-14
Number of pages: 16 Posted: 18 Dec 2010
Yoshi Fujiwara, Hiroshi Iyetomi, Yuichi Ikeda and Wataru Souma
University of Hyogo - Graduate School of Simulation Studies, Niigata University, affiliation not provided to SSRN and ATR-NIS Network Informatics Laboratories
Downloads 24 (511,503)

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Labour productivity, marginal productivity, power law distribution, inequality

Interindustry Linkages of Prices: Analysis of Japan's Deflation

Number of pages: 35 Posted: 16 Feb 2018 Last Revised: 22 Feb 2018
Niigata University, Niigata University, GSAIS, Kyoto University, University of Hyogo - Graduate School of Simulation Studies and University of Tokyo - Faculty of Economics
Downloads 37 (443,957)

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CPI, Sticky Prices, Interindustry Linkages, Cluster, PCA

Interindustry Linkages of Prices - Analysis of Japan's Deflation

Number of pages: 65 Posted: 17 Jun 2019
Niigata University, Niigata University, GSAIS, Kyoto University, University of Hyogo - Graduate School of Simulation Studies and University of Tokyo - Faculty of Economics
Downloads 9 (610,213)

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IPI, PPI, CPI, Sticky prices, Cluster, PCA

8.

Hierarchical and Circular Flow Structure of Interfirm Transaction Networks in Japan

Number of pages: 23 Posted: 20 May 2018
Niigata University, Niigata University, Niigata University and University of Hyogo - Graduate School of Simulation Studies
Downloads 41 (418,191)

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interfirm transaction network, hierarchical structure, potential flow, circular flow, Helmholtz-Hodge decomposition, community detection

9.

Hierarchical Communities in the Walnut Structure of the Japanese Production Network

PLoS ONE 13(8), 2018, DOI: 10.1371/journal.pone.0202739
Number of pages: 38 Posted: 01 Mar 2018 Last Revised: 08 Oct 2018
University of Hyogo - Graduate School of Simulation Studies, Niigata University, Niigata University, Niigata University, University of Hyogo - Graduate School of Simulation Studies, University of Hyogo - Graduate School of Simulation Studies and GSAIS, Kyoto University
Downloads 39 (426,004)
Citation 1

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Production network, Giant strongly connected component, Walnut structure, Hierarchical structure of communities, Overexpressions, Input-output analysis

10.

Backbone of Credit Relationships in the Japanese Credit Market

Number of pages: 14 Posted: 22 Nov 2015
University of Palermo, University of Palermo - Department of Physics and Chemistry, University of Hyogo - Graduate School of Simulation Studies, Niigata University, GSAIS, Kyoto University, Università Politecnica delle Marche - Faculty of Economics and University of Palermo
Downloads 25 (490,509)

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Complex networks, Information filtering, Statistically validated networks, Credit market

11.

Superstatistics of Labour Productivity in Manufacturing and Nonmanufacturing Sectors

Economics: The Open-Access, Open-Assessment E-Journal, Vol. 3, 2009-22
Number of pages: 18 Posted: 18 Dec 2010
Organisation for Economic Co-operation and Development (OECD), University of Hyogo - Graduate School of Simulation Studies, GSAIS, Kyoto University, Niigata University and ATR-NIS Network Informatics Laboratories
Downloads 19 (524,858)

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Labour productivity, superstatistics, Pareto's Law, business cycle, demand index

12.

Structure and Temporal Change of Credit Network between Banks and Large Firms in Japan

Economics Discussion Paper No. 2009-1
Number of pages: 16 Posted: 18 Dec 2010
University of Hyogo - Graduate School of Simulation Studies, GSAIS, Kyoto University, affiliation not provided to SSRN, Niigata University and ATR-NIS Network Informatics Laboratories
Downloads 16 (542,240)
Citation 1

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Banks-firms credit, credit topology, Bipartite network

13.

Superstatistics of Labour Productivity in Manufacturing and Nonmanufacturing Sectors

Economics Discussion Paper No. 2008-42
Number of pages: 15 Posted: 18 Dec 2010
GSAIS, Kyoto University, University of Hyogo - Graduate School of Simulation Studies, affiliation not provided to SSRN, Niigata University and ATR-NIS Network Informatics Laboratories
Downloads 15 (548,132)

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Labour productivity, superstatistics, Pareto's law, Business Cycle, demand index

14.

Empirical Evidence for Collective Motion of Prices with Macroeconomic Indicators in Japan

Number of pages: 28 Posted: 01 Mar 2018
Niigata University, Niigata University, GSAIS, Kyoto University and University of Tokyo - Faculty of Economics
Downloads 9 (585,136)

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price changes, business cycles, exchange rate, Hilbert transformation, principal component analysis, dynamical linkage