Faculty Information - KURODA Toshifumi

■ E-Mail Address

■ Profile

Toshifumi Kuroda is a Japanese economist and an associate professor of economics at Tokyo Keizai University. He studies empirical industrial organization, political economy, and development economics. He received the 2012 Telecom Social Science Incentive Award, given to outstanding works and research papers that contribute to the further development of information and communications. He is a fellow of Project Center of Graduate School of Economics of Kyoto University from 2011 and economist of Minister of Economy, Trade and Industry from 2021 to 2023. He was educated at Kyoto University, where he earned a bachelor's degree in 2003, a master's degree in 2005, and a Ph.D. in 2009.

■ Business career

1.	2021/04～2023/06	Ministry of Economy, Trade and Industry Information Economy Division, Commerce and Information Policy Bureau Economist
2.	2022	Japan Fair Trace Comittion Competition policy research center
3.	2018/04～	Tokyo Keizai University Economics Associate Professor
4.	2013	International Christian University Part time lecturer
5.	2009/04～2018/03	Tokyo Keizai University Economics Full-Time Lecturer
6.	2007/04～2009/03	Japan Society for the Promotion of Science Research Fellow (DC2)
7.	2005/04～2007/03	InfoCom Research, Marketing Solution Research Group
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■ Degree/Academic background

1.	2009/03/23 Degree Acquisition	Kyoto University,
2.	Degree Acquisition	Kyoto University,
3.	Degree Acquisition	Kyoto University,
4.		Faculty of Political Economics, Kyoto University, Graduated,
5.		〔Master Course〕, Graduate School, Division of Economics, Kyoto University, Completed,
6.		〔Doctorial Course〕, Graduate School, Division of Economics, Kyoto University, Completed,
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■ User Research Outline

The effect of review and ranking in the online shopping site (with Hajime Oiso, Hidenori Sakaguchi, Takanori Ida)
Investor's behavior in Equity crowdfunding （with Keiichi Kawai, Akira Matsushtia)
Field experiment of Media and Political Economy (with Shuhei Kitamura)
Market definition of the Mobile app market (with Kohei Kawaguchi, Susumu Sato)
Oligopoly Non-linear Pricing and Bundling: A Structural Analysis (with Kohei Kawaguchi, Susumu Sato, Takanori Ida)
Panel data analysis of university class enrollment on job market (with Hiroki Yasuda)

■ Reseach Areas

Appliec Economics

■ Research Subject

1.	2022/04/01
2.	2020/10/14
3.	2018/03/02
4.	2016/04/01 Media and Market Equilibrium Media, Oligopoly Market
5.	2012/04/01 2013/03/31 Privacy and Industrial organization Privacy, Price discrimination, Bundling, Competition policy
6.	2012 2015 Theoretical and empirical research for efficient spectrum management system for unified communication and broadcast market. Spectrum allocation, Broadcast, Communication, Structural Estimation
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■ Research topic, funded research, and department laboratory expense

1.

2022/04～2026/03

Structural estimation on the statistical learning model : Application on the competition and social policy for the digital economy (Key Word : )

■ Book and thesis

1.	2023/09	Article	Relevant markets and market power of mobile apps Japan and the World Economy 67 (Collaboration)
2.	2023/08/18	Article	An empirical analysis of the impacts of different styles of displaying privacy information on app users’ comprehension and willingness to use JSICR Journal pp.1-11 (Collaboration)
3.	2019/03	Article	Identifying the effect of mobile operating systems on the mobile services market Information Economics and Policy 46,pp.86-95 (Collaboration)
4.	2018/07/20	Article	Sumātoguriddo ekonomikusu: Fīrudojikken, kōdōkeizaigaku, biggudēta ga hiraku ebidensu-seisaku (Smart Grid Economics: Evidence-based Policy Created through Field Experiments, Behavioral Economics, and Big Data) Social Science Japan Journal (Single)
5.	2017/02/16	Article	The effects of spectrum allocation mechanisms on market outcomes: Auctions vs beauty contests Telecommunications Policy (Collaboration)
6.	2015/07/15	Article	Institutions and Cultural Heterogeneity as Determinants of National Income: A Random-coefficients Stochastic Frontier Model Review of Development Economics 19(3),pp.710-724 (Collaboration)
7.	2011/08/01	Article	Optimum Pricing Strategy for Fixed-line Internet and Mobile Phone Services: A Two-sided Market Approach, Empirical Economics Letters 10(8) (Collaboration)
8.	2009	Article	Discrete Choice Model Analysis of Demand for Mobile Telephone Service in Japan Empirical Economics 36(1),pp.65-80 (Collaboration)
9.	2006/01/01	Article	Discrete Choice Analysis of Demand for Broadband in Japan Journal of Regulatory Economics 29(1),pp.5-22 (Collaboration)
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■ Academic conference presentation

1.	2021/08/27	Merger Analysis in the Mobile Apps Market: Market Definition and Merger Simulation (EARIE2021)
2.	2021/02/19	Merger Analysis in the Mobile Apps Market: Market Definition and Merger Simulation (TPRC48)
3.	2020/08/19	Public Media Do Serve The State: A Field Experiment (Econometric Society World Congress 2020)
4.	2019/08/07	Merger Analysis in the Mobile Apps Market: Market Definition and Merger Simulation (SWET2019)
5.	2019/06/18	Merger Analysis in the Mobile Apps Market: Market Definition and Merger Simulation (2019 ITS European Conference)
6.	2019/06/08	Public Media Do Serve the State: A Field Experiment (Jea Spring Meeting 2019)
7.	2019/02/28	Merger Analysis in the App Economy: Market Definition and Merger Simulation (International Cristian University, Ogawa seminar)
8.	2019/02/28	Merger Analysis in the App Economy: Market Definition and Merger Simulation (Riss seminar series on Experimental Economics)
9.	2016/12/05	Identifying the Effect of Pre-installed Smartphone apps on the Mobile Service Markets (Competition and Public Policy in Network Industries)
10.	2016/09/10	Does the usage of TV streaming on the Internet bring about new functions to the public service broadcaster? : Evidence from a randomized field experiment (JEA Meeting 2016 Spring)
11.	2016/06/26	(34th JSICR Conference, Spring 2016)
12.	2016/06/18	The Impact of Asymmetric Regulation on Product Bundling: The Case of Fixed Broadband and Mobile Communications in Japan (JEA Meeting 2016 Spring)
13.	2015/10/27	The Impact of Asymmetric Regulation on Product Bundling: The Case of Fixed Broadband and Mobile Communications in Japan (International Telecommunications Society Regional Conference, Los Angeles)
14.	2015/10/02	The Impact of Asymmetric Regulation on Product Bundling: The Case of Fixed Broadband and Mobile Communications in Japan (Conference on the Economics of Information and Communication Technologies Paris)
15.	2015/09/26	The Impact of Asymmetric Regulation on Product Bundling: The Case of Fixed Broadband and Mobile Communications in Japan (TPRC)
16.	2015/08/29	The Impact of Asymmetric Regulation on Product Bundling: The Case of Fixed Broadband and Mobile Communications in Japan (EARIE)
17.	2015/06/26	Analysis of the role of international network effects on the diffusion of 3G mobile communication networks (European Regional ITS Conference)
18.	2014/12/02	Bundling Information Goods Under “Breakeven” Price (2014 ITS Biennial Conference)
19.	2014/10/12	Bundling Information Goods Under “Breakeven” Price (Japanese Economic Association 2014 fall conference)
20.	2014/04/12	Bundling Information Goods Under “Breakeven” Price (The 12th Annual INTERNATIONAL INDUSTRIAL ORGANIZATION CONFERENCE)
21.	2013/06/16	(2013 Japan Society of Public Utility Economics)
22.	2013/05/18	Analysis of the role of international network effects on the diffusion of 3G mobile communication networks (The 11th Annual INTERNATIONAL INDUSTRIAL ORGANIZATION CONFERENCE)
23.	2013/04	Analysis of the role of international network effects on the diffusion of 3G mobile communication networks (4th Workshop on the Economics of ICTs)
24.	2012/06/24	Analysis of the role of international network effects on the diffusion of 3G mobile communication networks (Japanese Economic Association)
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■ Lecturer and lecture

1.	2018/03/09	Media Choice and Media Effect: Evidence from a field experiment with Japan Broadcasting Corporation
2.	2017/04/21	Media Choice and Media Effect: Evidence from a field experiment with Japan Broadcasting Corporation
3.	2012/07/28	Analysis of the role of international network effects on the diffusion of 3G mobile communication networks
4.	2012/05/22	Analysis of the role of international network effects on the diffusion of 3G mobile communication networks
5.	2012/03/02	「Analysis of the role of international network effects on the diffusion of 3G mobile communication」

■ Research Field

1.	2022/09	KDDI Foundation KDDI Foundation Award Achievement Award (モバイルOSがモバイルサービス市場に与える影響についての研究)
2.	2013/03	Telecommunications Advancement Foundation Telecom Social Science Award (Analysis of regulatory and network effects on the diffusion of third generation mobile phones.)

■ Main Courses Taught

1.	Advanced Microeconomic theory
2.	Computational Economics

■ Belonging society

1.	2010～	Econometric　Society
2.	2018/04～	American Economic Association
3.	2012	European Association for Research in Industrial Economics
4.	2010～2018	International Telecommunications Society

■ Committee and society

1.	2021/10/01～	Japan Society of Information and Communication research Editorial Board member
2.	2021/08/27～	National Institute of Information and Communications Policy Study group of Information and Communications Policy Economics
3.	2015/03/04～	Japan Broadcasting Corporation Committee of Internet business review