Hideaki Aoyama

RIKEN iTHEMS

Senior Visiting Scientist

Wako, Saitama 351-0198

Japan

Research Institute for Economy, Industry and Trade (RIETI)

1-3-1 Kasumigaseki

Chiyoda-ku

Tokyo 100-8901

Japan

SCHOLARLY PAPERS

14

DOWNLOADS

816

SSRN CITATIONS
Rank 33,983

SSRN RANKINGS

Top 33,983

in Total Papers Citations

13

CROSSREF CITATIONS

9

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, RIKEN iTHEMS, University of Hyogo - Graduate School of Simulation Studies, Niigata University and Niigata University
Downloads 189 (178,954)
Citation 5

Abstract:

Loading...

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, RIKEN iTHEMS, University of Hyogo - Graduate School of Simulation Studies and Niigata University
Downloads 120 (259,854)
Citation 7

Abstract:

Loading...

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, RIKEN iTHEMS, Boston University - Department of Physics, University of Hyogo - Graduate School of Simulation Studies, Niigata University and Kyoto University
Downloads 101 (293,313)
Citation 2

Abstract:

Loading...

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

4.

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, RIKEN iTHEMS, affiliation not provided to SSRN, Niigata University and ATR-NIS Network Informatics Laboratories
Downloads 93 (309,392)
Citation 1

Abstract:

Loading...

Banking, credit topology, bipartite network, systemic risk

5.

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, RIKEN iTHEMS, Polytechnic University of Marche - Faculty of Economics and University of Palermo
Downloads 87 (322,535)
Citation 6

Abstract:

Loading...

Credit market, Networked market, Financial networks, Bipartite networks

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, RIKEN iTHEMS, University of Hyogo - Graduate School of Simulation Studies and University of Tokyo - Faculty of Economics
Downloads 41 (476,435)

Abstract:

Loading...

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, RIKEN iTHEMS, University of Hyogo - Graduate School of Simulation Studies and University of Tokyo - Faculty of Economics
Downloads 20 (598,648)
Citation 2

Abstract:

Loading...

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

7.

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 RIKEN iTHEMS
Downloads 44 (454,354)
Citation 5

Abstract:

Loading...

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

8.

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, RIKEN iTHEMS, Polytechnic University of Marche - Faculty of Economics and University of Palermo
Downloads 26 (541,223)
Citation 1

Abstract:

Loading...

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

9.

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
RIKEN iTHEMS, University of Hyogo - Graduate School of Simulation Studies, Hitachi Research Laboratory, Niigata University and ATR-NIS Network Informatics Laboratories
Downloads 24 (553,589)

Abstract:

Loading...

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

10.

Money Flow Network Among Firms’ Accounts in a Regional Bank of Japan

Number of pages: 22 Posted: 29 Jul 2020 Last Revised: 31 Jul 2020
University of Hyogo - Graduate School of Simulation Studies, University of Hyogo - Graduate School of Simulation Studies, Shiga University, RIKEN iTHEMS and Shiga University
Downloads 17 (598,833)

Abstract:

Loading...

input-output table, Hodge decomposition, non-negative matrix factorization, bowtie structure

11.

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, RIKEN iTHEMS, affiliation not provided to SSRN, Niigata University and ATR-NIS Network Informatics Laboratories
Downloads 17 (598,833)
Citation 2

Abstract:

Loading...

Banks-firms credit, credit topology, Bipartite network

12.

Superstatistics of Labour Productivity in Manufacturing and Nonmanufacturing Sectors

Economics Discussion Paper No. 2008-42
Number of pages: 15 Posted: 18 Dec 2010
RIKEN iTHEMS, University of Hyogo - Graduate School of Simulation Studies, affiliation not provided to SSRN, Niigata University and ATR-NIS Network Informatics Laboratories
Downloads 17 (598,833)

Abstract:

Loading...

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

13.

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

Number of pages: 28 Posted: 01 Mar 2018
Niigata University, Niigata University, RIKEN iTHEMS and University of Tokyo - Faculty of Economics
Downloads 13 (626,191)

Abstract:

Loading...

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

14.

Untangling the complexity of market competition in consumer goods - A complex Hilbert PCA analysis

Number of pages: 27 Posted: 14 Oct 2020
Makoto Mizuno, Hideaki Aoyama and Yoshi Fujiwara
Meiji University - School of Commerce, RIKEN iTHEMS and University of Hyogo - Graduate School of Simulation Studies
Downloads 7 (669,302)

Abstract:

Loading...

single-source data, purchase bahavior, media/ad exposure, complex Hilbert principal component analysis, Hodge decomposition