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Ryoma Kitamura

Personal Details

First Name:Ryoma
Middle Name:
Last Name:Kitamura
Suffix:
RePEc Short-ID:pki341

Affiliation

School of Economics
Kwansei Gakuin University

Hyogo, Japan
http://www.kwansei.ac.jp/s_economics/
RePEc:edi:dekgujp (more details at EDIRC)

Research output

as
Jump to: Working papers Articles

Working papers

  1. Ryoma Kitamura, 2015. "Cost Reduction can Decrease Pro t and Welfare in a Monopoly," Discussion Paper Series 133, School of Economics, Kwansei Gakuin University, revised Jul 2015.
  2. Ryoma Kitamura & Tetsuya Shinkai, 2015. "Product Line Strategy in a Vertically Di¤erentiated Duopoly," Discussion Paper Series 134, School of Economics, Kwansei Gakuin University, revised Aug 2015.
  3. Ryoma Kitamura & Tetsuya Shinkai, 2014. "Cannibalization may Allow a Cost-inefficient Firm to Earn more than a Cost-effcient Firm in a Duopoly with Two Vertically Differentiated Goods," Discussion Paper Series 113, School of Economics, Kwansei Gakuin University, revised Jan 2014.
  4. Ryoma Kitamura & Tetsuya Shinkai, 2014. "Cannibalization within the Single Vertically Di¤erentiated Duopoly," Discussion Paper Series 124, School of Economics, Kwansei Gakuin University, revised Dec 2014.
  5. Ryoma Kitamura & Tetsuya Shinkai, 2014. "Strategic Choice on Product Line in Vertically Differentiated Duopoly," Discussion Paper Series 120, School of Economics, Kwansei Gakuin University, revised Aug 2014.
  6. Ryoma Kitamura, 2014. "Network externalities between carriers or machines:How they work in the smartphone industry," Discussion Paper Series 117, School of Economics, Kwansei Gakuin University, revised Mar 2014.
  7. Ryoma Kitamura & Tetsuya Shinkai, 2013. "The Economics of Cannibalization: A Duopoly in which Firms Supply Two Vertically Differentiated Products," Discussion Paper Series 100, School of Economics, Kwansei Gakuin University, revised Feb 2013.
  8. Kenji Fujiwara & Ryoma Kitamura, 2013. "A trade and domestic tax reform in imperfectly competitive markets," Discussion Paper Series 099, School of Economics, Kwansei Gakuin University, revised Jan 2013.
  9. Kenji Fujiwara & Ryoma Kitamura, 2012. "A Tariff-Tax Reform under Oligopoly and Free Entry," Discussion Paper Series 88, School of Economics, Kwansei Gakuin University, revised Apr 2012.

Articles

  1. Kitamura, Ryoma & Shinkai, Tetsuya, 2015. "Product line strategy within a vertically differentiated duopoly," Economics Letters, Elsevier, vol. 137(C), pages 114-117.
  2. Kenji Fujiwara & Ryoma Kitamura, 2014. "A trade and domestic tax reform in imperfectly competitive markets," The Journal of International Trade & Economic Development, Taylor & Francis Journals, vol. 23(6), pages 785-795, September.

Citations

Many of the citations below have been collected in an experimental project, CitEc, where a more detailed citation analysis can be found. These are citations from works listed in RePEc that could be analyzed mechanically. So far, only a minority of all works could be analyzed. See under "Corrections" how you can help improve the citation analysis.

Working papers

  1. Ryoma Kitamura & Tetsuya Shinkai, 2014. "Cannibalization may Allow a Cost-inefficient Firm to Earn more than a Cost-effcient Firm in a Duopoly with Two Vertically Differentiated Goods," Discussion Paper Series 113, School of Economics, Kwansei Gakuin University, revised Jan 2014.

    Cited by:

    1. Ryoma Kitamura & Tetsuya Shinkai, 2014. "Strategic Choice on Product Line in Vertically Differentiated Duopoly," Discussion Paper Series 120, School of Economics, Kwansei Gakuin University, revised Aug 2014.
    2. Ryoma Kitamura, 2014. "Network externalities between carriers or machines:How they work in the smartphone industry," Discussion Paper Series 117, School of Economics, Kwansei Gakuin University, revised Mar 2014.

  2. Ryoma Kitamura & Tetsuya Shinkai, 2014. "Cannibalization within the Single Vertically Di¤erentiated Duopoly," Discussion Paper Series 124, School of Economics, Kwansei Gakuin University, revised Dec 2014.

    Cited by:

    1. Tetsuya Shinkai & Ryoma Kitamura, 2021. "How Do the Relative Superiority of a High-quality Good and Cost Inefficiency between Firms Affect Product Lines in Multiproduct Firms?," Discussion Paper Series 230, School of Economics, Kwansei Gakuin University.
    2. Tetsuya Shinkai & Ryoma Kitamura, 2019. "Production Substitution of Goods Within and Between Firms in a Multiproduct Duopoly," Discussion Paper Series 197, School of Economics, Kwansei Gakuin University.

  3. Ryoma Kitamura & Tetsuya Shinkai, 2014. "Strategic Choice on Product Line in Vertically Differentiated Duopoly," Discussion Paper Series 120, School of Economics, Kwansei Gakuin University, revised Aug 2014.

    Cited by:

    1. Ryoma Kitamura & Tetsuya Shinkai, 2014. "Cannibalization within the Single Vertically Di¤erentiated Duopoly," Discussion Paper Series 124, School of Economics, Kwansei Gakuin University, revised Dec 2014.

  4. Ryoma Kitamura & Tetsuya Shinkai, 2013. "The Economics of Cannibalization: A Duopoly in which Firms Supply Two Vertically Differentiated Products," Discussion Paper Series 100, School of Economics, Kwansei Gakuin University, revised Feb 2013.

    Cited by:

    1. Ryoma Kitamura & Tetsuya Shinkai, 2014. "Cannibalization within the Single Vertically Di¤erentiated Duopoly," Discussion Paper Series 124, School of Economics, Kwansei Gakuin University, revised Dec 2014.
    2. Tetsuya Shinkai & Ryoma Kitamura, 2018. "Product Line Strategy within a Vertically Differentiated Duopoly under Non-negativity Outputs Constraints," Discussion Paper Series 179, School of Economics, Kwansei Gakuin University.
    3. Tetsuya Shinkai & Ryoma Kitamura, 2021. "How Do the Relative Superiority of a High-quality Good and Cost Inefficiency between Firms Affect Product Lines in Multiproduct Firms?," Discussion Paper Series 230, School of Economics, Kwansei Gakuin University.
    4. Ryoma Kitamura, 2015. "Cost Reduction can Decrease Pro t and Welfare in a Monopoly," Discussion Paper Series 133, School of Economics, Kwansei Gakuin University, revised Jul 2015.
    5. Kitamura, Ryoma & Shinkai, Tetsuya, 2015. "Product line strategy within a vertically differentiated duopoly," Economics Letters, Elsevier, vol. 137(C), pages 114-117.
    6. Ryoma Kitamura & Tetsuya Shinkai, 2014. "Cannibalization may Allow a Cost-inefficient Firm to Earn more than a Cost-effcient Firm in a Duopoly with Two Vertically Differentiated Goods," Discussion Paper Series 113, School of Economics, Kwansei Gakuin University, revised Jan 2014.
    7. Ryoma Kitamura & Tetsuya Shinkai, 2014. "Strategic Choice on Product Line in Vertically Differentiated Duopoly," Discussion Paper Series 120, School of Economics, Kwansei Gakuin University, revised Aug 2014.
    8. Ryoma Kitamura, 2014. "Network externalities between carriers or machines:How they work in the smartphone industry," Discussion Paper Series 117, School of Economics, Kwansei Gakuin University, revised Mar 2014.
    9. Ryoma Kitamura & Tetsuya Shinkai, 2015. "Product Line Strategy in a Vertically Di¤erentiated Duopoly," Discussion Paper Series 134, School of Economics, Kwansei Gakuin University, revised Aug 2015.

Articles

  1. Kitamura, Ryoma & Shinkai, Tetsuya, 2015. "Product line strategy within a vertically differentiated duopoly," Economics Letters, Elsevier, vol. 137(C), pages 114-117.

    Cited by:

    1. Levent Kutlu & Alper Nakkas, 2018. "Strategic Product Line Choice Under Asymmetric Demand Structure," The Japanese Economic Review, Springer, vol. 69(3), pages 347-359, September.
    2. Tetsuya Shinkai & Ryoma Kitamura, 2021. "How Do the Relative Superiority of a High-quality Good and Cost Inefficiency between Firms Affect Product Lines in Multiproduct Firms?," Discussion Paper Series 230, School of Economics, Kwansei Gakuin University.

More information

Research fields, statistics, top rankings, if available.

Statistics

Access and download statistics for all items

Co-authorship network on CollEc

NEP Fields

NEP is an announcement service for new working papers, with a weekly report in each of many fields. This author has had 8 papers announced in NEP. These are the fields, ordered by number of announcements, along with their dates. If the author is listed in the directory of specialists for this field, a link is also provided.
  1. NEP-COM: Industrial Competition (7) 2013-03-23 2014-01-24 2014-03-30 2014-10-03 2014-12-29 2015-08-30 2015-09-11. Author is listed
  2. NEP-BEC: Business Economics (5) 2013-03-23 2014-01-24 2014-03-30 2014-10-03 2015-09-11. Author is listed
  3. NEP-IND: Industrial Organization (4) 2012-05-08 2014-03-30 2014-10-03 2015-09-11
  4. NEP-ACC: Accounting and Auditing (1) 2012-05-08
  5. NEP-GER: German Papers (1) 2015-08-30
  6. NEP-MIC: Microeconomics (1) 2015-08-30
  7. NEP-MKT: Marketing (1) 2014-10-03
  8. NEP-NET: Network Economics (1) 2014-03-30
  9. NEP-PBE: Public Economics (1) 2012-05-08

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