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YASUOKA Masaharu
Graduate School of Intercultural Studies / Department of Cultural-Interaction
Professor

Researcher basic information

■ Degree
  • M.A.
■ Research Keyword
  • Comparative Politics
  • Comparative Public Policy
  • Contemporary American Politics
■ Research Areas
  • Humanities & social sciences / Politics

Research activity information

■ Paper
  • YASUOKA MASAHARU
    This article explains the significance of the Executive Order No. 13768 issued by the Trump Administration in order to lift federal grants from Sanctuary Cities.
    Kobe University Kindai Association, Sep. 2017, Kindai, (116) (116), 75 - 98, Japanese
    Scientific journal

  • The Trump Administration and Sanctuary Cities: Intergovernmental Disputes over Undocumented Immigrants
    YASUOKA MASAHARU
    This article discusses how disputes over undocumented immigrants developed between the American federal government and "sanctuary cities."
    Graduate School of Intercultural Studies, Kobe University, Jul. 2017, Journal of Intercultural Studies, (48) (48), 221 - 245, Japanese
    Scientific journal

  • The Voting Rights Act and U.S. Federal-State Relations: How the American States Have Been "Precleared" by U.S. Department of Justice
    YASUOKA MASAHARU
    This article traces the recent developments in the Federal-State Relations, concerning the Voting Rights Act, focusing on its "preclearance" provision.
    Graduate School of Intercultural Studies, Kobe University, Jul. 2016, Journal of Intercultural Studies, (46) (46), 57 - 89, Japanese
    Scientific journal

  • Civil Rights Policies Under the Obama Administration
    YASUOKA MASAHARU
    An overview of the developments of civil rights and human rights policies under the Obama Administration
    Kobe University Kindai Society, Nov. 2013, KINDAI, 109(第109号) (第109号), 1 - 34, Japanese
    Scientific journal

  • Masaharu YASUOKA
    神戸大学大学院国際文化学研究科, Sep. 2012, Journal of Intercultural Studies, 第38号, 47* - 79*, Japanese
    Scientific journal

  • City County Separation and Consolidation in the United States: The Impact on Urban Growth
    YASUOKA MASAHARU
    アメリカ諸都市におけるカウンティ(郡)とシティ(都市)の行政統合が都市の経済成長に及ぼす効果を計量分析したもの
    The Japanese Association for American Studies, Aug. 2008, The Japanese Journal of American Studies, (19) (19), 177 - 196, English
    [Refereed][Invited]
    Scientific journal

  • The Impact of City-County Separation on Urban Policies in the United States: A Statistical Analysis
    YASUOKA, Masaharu
    Kobe University, Sep. 2006, 近代, 97, 31, 1* - 31*, English
    Scientific journal

  • Institutions, Demographics and American Urban Policies: A Quantitative Analysis of the Policy Consequences of Urban Reform
    YASUOKA, Masaharu
    Ritsumeikan University, Aug. 2005, 第10回京都アメリカ研究夏期セミナー, ,, 41 - 60, English
    [Invited]
    International conference proceedings

  • Urban Governance in the Era of Globalization: The Case of American Cities
    YASUOKA, Masaharu
    神戸大学, Feb. 2005, 近代, 94, 1-22, 1* - 22*, Japanese
    Scientific journal

  • Urban Governance in the Era of Globalization: The Case of North American Cities
    YASUOKA, Masaharu
    Jun. 2004, 日本公共政策学会 2004年度研究大会, ,, Japanese
    International conference proceedings

  • Federalism and Republican Party: Reality or Rhetoric?
    YASUOKA, Masaharu
    Jun. 2003, 日本比較政治学会 2003年度研究大会, ,, Japanese
    [Invited]
    International conference proceedings


  • From Protest to Politics: A Comment on Yasumasa FUJINAGA, "Strange Career of Contemporary Black Nationalism: The New Black Panther Party and Panther Veterans
    YASUOKA, Masaharu
    Ritsumeikan University, Jul. 2002, Proceedings of Kyoto American Studies Summer Seminar, July 25-27, 2002, ed. Hiroshi Yoneyama, ,, 65 - 86, English
    [Invited]
    International conference proceedings

  • Toqueville on the Foundations of American Character
    YASUOKA, Masaharu
    Kobe University, Jun. 2002, 近代, 89, 1-24, 1* - 24*, English
    Scientific journal

  • YASUOKA, Masaharu
    Kobe University, Mar. 2002, 国際文化学研究, 17, 209-244, 209* - 241*, English
    Scientific journal

  • Changing Nature of Elitism on City Councils in the United States: A Quantitative Analysis of the Impact of Election System Reforms
    YASUOKA, Masaharu
    Kobe University, Mar. 2001, 国際文化学, 4, 47-61, 47 - 61, Japanese
    [Refereed]
    Scientific journal

  • State Mandates: A View from the State-Local Governmental Relations in the United States
    YASUOKA, Masaharu
    Kobe University, Mar. 2001, 近代, 87, 1-20, 1* - 20*, English
    Scientific journal

  • Structural Changes in American State Politics and Their Policy Consequences: A Comparative Analysis
    YASUOKA, Masaharu
    早稲田大学大学院政治学研究科, Apr. 1999, 早稲田政治公法研究, 60, 1-24(60) (60), 1 - 24, Japanese
    [Refereed]
    Scientific journal

  • Classifying American Urban Regimes: A Quantitative Approach
    YASUOKA, Masaharu
    早稲田大学大学院政治学研究科, Aug. 1998, 早稲田政治公法研究, 58, 1-27(58) (58), 1 - 27, Japanese
    [Refereed]
    Scientific journal

  • Political Structure and Policy Outputs in American Cities: A Quantitative Analysis
    YASUOKA, Masaharu
    早稲田大学大学院政治学研究科, Apr. 1998, 早稲田政治公法研究, 57, 35-67(57) (57), 35 - 67, Japanese
    [Refereed]
    Scientific journal

  • Exploring Urban Regime Types: Putting Some Names to the Faces
    WORKS, Austin, YASUOKA, Masaharu
    Apr. 1997, The 55th Annual Meeting of the Midwest Political Science Association, ,, English
    International conference proceedings

  • Large Scale Classification of U.S. Cities: Following the Promise of Stone's Regime Typology
    WORKS, Austin, YASUOKA, Masaharu
    Nov. 1996, The 68th Annual Meeting of the Southern Political Science Association, ,, English
    International conference proceedings

■ MISC
  • Sino-Japan Relations and the United States
    YASUOKA MASAHARU
    オバマ政権下の日米中関係についての依頼連載原稿
    (3回中の第3回)
    兵庫県生きがい創造協会, Mar. 2015, 兵庫県高齢者放送大学ひょうごラジオカレッジテキスト, 38(11) (11), 22 - 22, Japanese
    [Invited]
    Introduction other

  • US-China Relations and Japan
    YASUOKA MASAHARU
    オバマ政権下の日米中関係についての依頼連載原稿
    (3回中の第2回)
    兵庫県生きがい創造協会, Feb. 2015, 兵庫県高齢者放送大学ひょうごラジオカレッジテキスト, 38(10) (10), 23 - 23, Japanese
    [Invited]
    Introduction other

  • US-Japan Relations and China
    YASUOKA MASAHARU
    オバマ政権下の日米中関係についての依頼連載原稿
    (3回中の第1回)
    兵庫県生きがい創造協会, Jan. 2015, 兵庫県高齢者放送大学ひょうごラジオカレッジテキスト, 38(9) (9), 19 - 19, Japanese
    [Invited]
    Introduction other

  • YASUOKA MASAHARU
    A Japanese Translation of Margaret Weir, "The American Middle Class and the Politics of Education." In Social Contracts Under Stress: The Middle Classes of America, Europe, and Japan at the Turn of the Century, edited by Olivier Zunz、Leonard James Schoppa、Nobuhiro Hiwatari(Russell Sage, 2004)
    神戸大学近代発行会, Mar. 2013, KINDAI, 108(108) (108), 1 - 29, Japanese
    Book review

  • Urban Management and Development in the Post 1955 Regime: The Case of Kobe City
    YASUOKA, Masaharu
    Mar. 2005, ポスト55年体制の部分均衡論的分析-制度変革の中の日本政治(平成15~16年度科学研究費補助金(基盤研究C)研究成果報告書 研究代表者 森正), , 135-138, Japanese
    Others

  • Book Review. Hirata Miwako 2001. "The Developments in American Urban Politics: From Machines to Reforms" Keiso Shobo, Tokyo
    YASUOKA, Masaharu
    アメリカ史研究会, Feb. 2002, 日本選挙学会年報 選挙研究, 17, p.187(25) (25), 33 - 35, Japanese
    Introduction scientific journal

  • Book Review. Hirata Miwako 2001. "The Developments in American Urban Politics: From Machines to Reforms" Keiso Shobo, Tokyo
    YASUOKA, Masaharu
    2001, アメリカ学会会報, 143, p.6, Japanese
    Introduction scientific journal

  • Martha Derthick "Administrative Reform in the United States"
    YASUOKA, Masaharu
    Jun. 1999, 日本比較政治学会編『世界の行政改革』早稲田大学出版部(日本比較政治学会年報), 1, 29-40, Japanese
    [Refereed]
    Others

■ Books And Other Publications
  • Asian Community
    Masaharu YASUOKA
    Contributor, Asian Community and the United States, Faculty of International Human Sciences, Kobe University and Eurasia Foundation from Asia, Mar. 2025

  • 比較政治学事典
    安岡正晴
    Contributor, 「アメリカの連邦制」, 丸善出版, Jan. 2025, ISBN: 4621309994

  • アメリカの政治 第2版
    安岡正晴
    Joint work, 第3章 選挙と政策決定過程, 弘文堂, Feb. 2024, Japanese, ISBN: 4335460457

  • Migration governance in Asia : a multi-level analysis
    Masaharu Yasuoka
    Joint work, Chapter 6 Do sanctuary cities protect unauthorised immigrants?: Intergovernmental disputes between the Trump Administration and sanctuary cities over immigration policies, Routledge, Sep. 2023, English, ISBN: 1032058374

  • 地域と理論から考えるアジア共同体
    安岡正晴
    Joint work, 第6章 アジア共同体とアメリカ, 芦書房, Aug. 2015, Japanese, ISBN: 4755612802

  • 原典アメリカ史〈第8巻〉衰退論の登場
    安岡正晴
    Joint work, 18 都市環境の変貌, 岩波書店, Jun. 2006, Japanese, ISBN: 4000227556

■ Lectures, oral presentations, etc.
  • The Immigration Policies of the Second Trump Administration: Its Background and Implications
    Masaharu YASUOKA
    神戸大学国際文化学研究科インスティテュート・移住移民研究センター主催講演会, Apr. 2025, Japanese
    [Invited]
    Public discourse

  • アメリカ連邦制の政治学的分析 -その課題と方法をめぐって-
    安岡 正晴
    神戸大学国際文化学研究推進インスティチュート共催セミナー 連続講演会「平和と共生の政治学ー国家中心主義を超えて」, Oct. 2023, Japanese, 神戸大学大学院国際文化学研究科国際関係・比較政治論コース・神戸大学国際文化学研究推進インスティテュート(Promis, 神戸大学大学院国際文化学研究科, Japan, Domestic conference
    Public discourse

  • 政治学における都市政治研究の可能性-アメリカ聖域都市研究を例としてー
    安岡正晴
    立命館大学国際地域研究所, Mar. 2023, Japanese
    [Invited]
    Public discourse

  • The Impact of Partisan Politics on Immigration Policies: The Case of the United States
    Masaharu YASUOKA
    Constructing Multicultural Societies Premised on Continuous International Migration, Sep. 2022, English, "L'Orientale" University of Naples, Palazzo du Mesnil, Naples, Italy, Italy, Research Presentation at a Joint Seminar on Immigration and Multicultural Societal Issues by "L'Orientale," The University of Naples and Graduate School of Intercultural Studies, Kobe University, Held at "Palazzo du Mesnil," The University of Naples on September 13, 2022., International conference
    [Invited]
    Nominated symposium

  • Immigration and Refugee Governance in US Sanctuary Cities
    Masaharu YASUOKA
    神戸大学国際文化学研究推進インスティチュート共催セミナー 連続講演会「平和と共生の政治学ー国家中心主義を超えて」第3回 米国およびEUにおける移民・難民ガバナンスの政治学, Jun. 2022, Japanese, Graduate School of Intercultural Studies, Kobe University, Graduate School of Intercultural Studies, Kobe University, Japan, 神戸大学国際文化学研究科国際関係・比較政治論コース主催、国際文化学研究推進インスティテュート(PROMIS)共催の連続講演会「平和と共生の政治学ー国家中心主義を超えて」の第3回講演会「米国およびEUにおける移民・難民ガバナンスの政治学」, Domestic conference
    Public discourse

  • The Possibilities and Limitations of Sanctuary Cities: Progressive Cities vs. the Trump Administration
    Masaharu YASUOKA
    International Workshop-Beyond the Walls: Migration and Multiculturalization in Asia and Europe, Sep. 2019, English, "L'Orientale" University of Naples, Convento delle Orfane a Terra murata, Procida, Italy, Italy, A Joint Seminar on Immigration and Multicultural Societal Issues by "L'Orientale," University of Naples and Graduate School of Intercultural Studies, Kobe University Held at Procida, Italy on September 18-19. 2019, International conference
    [Invited]
    Nominated symposium

  • The Myth and Reality about US Sanctuary Cities: What Has Changed under the Trump Presidency
    Masaharu YASUOKA
    KOBE SEMINAR 2019 "Research on the Public Policies on Migration, Multiculturalization and Welfare for the Regeneration of Communities in European, Asian and Japanese Societies" the Core-to-Core Program (A: Advanced Research Networks) by the Japan Society for the Promotion of Science, Feb. 2019, English, Graduate School of Intercultural Studies, Kobe University, Graduate School of Intercultural Studies, Kobe University, Japan, JSPS拠点形成事業(A.先端拠点形成型)「日欧亜におけるコミュニティの再生を目指す移住・多文化・福祉政策の研究拠点形成」の一環として「神戸セミナー2019」における、米国の聖域都市についての研究報告, International conference
    [Invited]
    Nominated symposium

  • The Trump Administration vs Sanctuary Cities: The Present State of the American Intergovernmental Relations in the Case of the Treatment of Undocumented Immigrants
    YASUOKA MASAHARU
    The 52nd Annual Meeting of the Japanese Association for American Studies, Jun. 2018, Japanese, The University of Kitakyushu, Based on the interviews conducted in San Francisco and New York, I presented an overview of the present intergovernmental relations between the Trump administration and sanctuary cities regarding immigrant policies., Domestic conference
    [Invited]
    Invited oral presentation

  • The US-Japan Alliance in the Era of Trump: A Comparison with the Case of Germany
    YASUOKA MASAHARU
    Bilateral Kobe-Kiel Workshop, Sep. 2017, English, Kobe University Centre for EU Academic Collaborations, Kiel University, In this presentation, I analyzed the factors that contribute to the differences between the Abe and the Merkel governments in response to the practices by the Trump Administration., International conference
    [Invited]
    Invited oral presentation

  • The Trump Administration and Sanctuary Cities: Intergovernmental Disputes over Undocumented Immigrants
    YASUOKA MASAHARU
    神戸大学国際文化学研究推進センター・日本学術振興会研究拠点形成事業(A.先端拠点形成型)「日欧亜におけるコミュニティの再生を目指す移民、多文化、公共政策の研究拠点形成」主催ワークショップ, Jun. 2017, English, 神戸大学国際文化学研究推進センター・日本学術振興会研究拠点形成事業(A.先端拠点形成型)「日欧亜におけるコミュニティの再生を目指す移民、多文化、公共政策の研究拠点形成」), Graduate School of Intercultural Studies, Kobe University, In this presentation, I traced the development of so-called "sanctuary cities" in the United States and showed the challenges that face sanctuary cities, especially focusing on the case of San Francisco., International conference
    [Invited]
    Oral presentation

  • Trumpism and Sanctuary Cities
    YASUOKA MASAHARU
    International Symposium: Multicultural Society: International Migration and Diversified Communities, Jan. 2017, Japanese, Toyota Foundation, Promis, Kobe University, Kobe Center for Overseas Migration and Cultural Interaction, I traced the conflict between the Trump Administration and so-called, "Sanctuary Cities" in terms of policies toward undocumented immigrants., International conference
    [Invited]
    Nominated symposium

  • Voting Rights Act and Federal-State Relations in the US: How States Have Been "Precleared" by US Department of Justice
    YASUOKA MASAHARU
    2016 annual meeting of the Japan Society for Public Administration, May 2016, Japanese, Meiji University, Surugadai Campus, I traced the developments of Voting Rights Act in the United States, focusing on how the American southern states have been "precleared" by US Department of Justice., Domestic conference
    [Invited]
    Nominated symposium

  • Federal- State Relations in the issue of Voting Rights Act in the United States
    YASUOKA MASAHARU
    日本臨床政治学会2015年度研究大会, Apr. 2015, Japanese, 日本臨床政治学会, 専修大学法学部(神田校舎), I traced the developments of federal-state relations over Voting Rights Act and examined the problems facing civil rights policies in the United States., Domestic conference
    [Invited]
    Invited oral presentation

  • The Developments of Civil Rights Policies and the Federal-State Relations under the Obama Administration
    YASUOKA MASAHARU
    アメリカ教育史研究会・全体集会, Jan. 2015, Japanese, アメリカ教育史研究会, ガーデンパレス新大阪, Domestic conference
    [Invited]
    Invited oral presentation

  • City Manager System and American Local Politics: Promises and Realities
    YASUOKA, Masaharu
    アメリカ学会 第39回年次大会, Jun. 2005, Japanese, アメリカ学会, 京都,, Domestic conference
    [Invited]
    Public symposium

  • グローバル化時代のアーバン・ガバナンス―北米諸都市を中心に―
    安岡正晴
    日本公共政策学会2004年度研究大会, Jun. 2004, Japanese
    Public symposium

  • Intergovernmental Relations in American Federalism: Fiscal, Political and Judicial Federalism
    YASUOKA, Masaharu
    早稲田政治学会 第4回年次大会, Oct. 2003, Japanese, 早稲田政治学会, 東京,, Domestic conference
    [Invited]
    Public symposium

  • "Regime Types: Putting Some Names to the Faces."
    Masaharu Yasuoka, Austin Works
    The 55th Annual Meeting of the Midwest Political Science Association, Apr. 1997, English
    Oral presentation

  • "Characteristics of Regime Types: A First Test of Stone's Typology."
    Masaharu Yasuoka, Austin Works
    The 68th Annual Meeting of the Southern Political Science Association, Nov. 1996, English
    Oral presentation

■ Affiliated Academic Society
  • Japanese American Society for Legal Studies
    Oct. 2019 - Present

  • American Political Science Association

  • Japanese Association for American Society

  • City Planning Institute of Japan

  • Public Policy Studies Association Japan

  • Japanese Society for Public Administration

  • Japan Association for Comparative Politics

  • Japanese Political Science Association

■ Research Themes
  • Political Analysis of Immigration Federalism and Sanctuary Cities in the United States
    安岡 正晴
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Grant-in-Aid for Scientific Research (C), Kobe University, Apr. 2021 - Mar. 2026
    本年度は、米国における聖域都市の政治的背景とその実態について各種報道資料や公開されている行政・司法資料、政治学、社会学、地理学の先行研究などを通じて調査を行った。今年度はトランプ政権下で聖域都市と連邦政府の間で展開した連邦訴訟の展開とその帰結に対する時系列的な分析を行った。また以前にサンフランシスコ市政府(2017年3月)、ニューヨーク市政府(2018年3月)、シアトル市政府(2019年3月)、ボストン市政府(2020年3月)で行ったインタビュー調査の結果をその後の訴訟展開なども踏まえた上で分析し、聖域都市下の移民行政の実態について比較研究を行った。特に聖域都市として2017年以来調査を続けてきたサンフランシスコ市とニューヨーク市は、聖域都市への補助金を停止することを命じたトランプ政権の大統領令を巡る訴訟で、バイデン政権に変わったことにより連邦司法省が訴えを取り下げたため、2021年3月に最終的に勝訴したため、今年度中に決着がついた事例として分析することができた。本年度の研究成果の一部は、Masaharu YASUOKA. 2022. “Do sanctuary cities protect unauthorised immigrants?: Intergovernmental disputes between the Trump administration and sanctuary cities over immigration policies,“ In Kazunari SAKAI and Noemi LANNA, eds., Migration Governance in Asia: A Multi-Level Analysis. (Abingdon, Oxon, UK: Routledge)として公刊した。

  • 安岡 正晴
    科学研究費補助金/若手研究(B), 2005, Principal investigator
    Competitive research funding

  • An Equilibrium Analysis on Political Reforms in the Post 1955-Rgime Era : Japanese Politics and its Institutional Changes
    MORI Tadashi, AOKI Kazumasu, OKADA Hiroshi, NIWA Isao, YASUOKA Masaharu
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Grant-in-Aid for Scientific Research (C), Aichi Gakuin University, 2003 - 2004, Coinvestigator
    During the final year of our research project, individual members further elaborated their own research themes in accordance with the project's agenda. Also, in the process, the members as a team discussed in depth and coordinated each of their research findings and theoretical analyses. In substance, our project sought to come up with an innovative analytic perspective that would enable us to view the established political regime (so-called the regime of 1955 or the 1955-regime) as collectives of partial equilibriums and then to evaluate the recent years' political reforms as ever shifting processes in which relevant actors are led to depart from status quos that are cemented by a bundle of those partial equilibriums. To consolidate this hypothetical perspective, the members mainly worked on two subjects. First, as a key analytic concept, what we describe as "the 1955-regime can be understood as collectives of partial equilibriums" should be empirically-proof one. Thus, referring to such theoretical works as comparative institutional analyses, institutional rational choice theories, and rather conventional equilibrium theories, the members elaborated ones' studies and sharpened the concept intensively. Second, in order to verify the concept, we first broke down the regime into three dimensions ; political actors' behaviors, political and policy processes, and policy outputs. And then each member chose concrete topics that would illustrate reforms and changes found conspicuous in those three dimensions. The topics included the followings : voting behaviors and reforms of electoral system, competition among national political parties, local politics and gubernatorial elections, local representatives' recruitment and their policy preferences, cross-national comparison of interaction between bureaucrats and politicians and reforms of cabinets' roles, environmental policies and market-based regulations, and city development policies. In each of these seven topics, the members sought to shed light on puzzles that consist of three concrete questions. 1) Under the 1955-regime, why and how could an equilibrium be maintained in a way it did? 2) Why and how was it possible for the very equilibrium to be fallen apart? To what extent do the shifting processes evolve from the status quo? 3) In what way can a new equilibrium be introduced?

  • アメリカ諸都市の比較公共政策分析
    安岡 正晴
    日本学術振興会, 科学研究費助成事業, 特別研究員奨励費, 早稲田大学, 1999 - 2000

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