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Igarashi Akira
五十嵐　彰
Igarashi Akira
五十嵐　彰
Graduate School of Human Sciences　Human Sciences, Associate Professor

keyword multiculturalism，immigrants，Social attitudes，Intergroup relations

Research History 4

  1. 2021/10 - 2022/12
    Osaka University　Department of Human Sciences　Lecturer

  2. 2019/04 - 2021/09
    Rikkyo University　Center for Statistics and Information　Assistant professor

  3. 2018/05 - 2020/06
    The Research Institute of Economy, Trade and Industry

  4. 2017/04 - 2019/03
    Research fellow of Japan Society for the Promotion of Science

Education 2

  1. Tohoku University　Graduate School of Arts and Letters　Department of Behavioral Science

    2016/04 - 2019/03

  2. Utrecht University　Faculty of Social and Behavioural Science　Migration, Ethnic Relations, and Multiculturalism programme

    2013/09 - 2015/06

Committee Memberships 3

  1. Sociological Research Online　Editorial board

    2023/07 - 2024/07

  2. Frontiers in Sociology　査読編集委員　Academic society

    2019/12 - 2021/12

  3. 東北社会学会　編集委員　Academic society

    2017/10 - 2019/10

Professional Memberships 2

  1. JAPANESE ASSOCIATION FOR MATHEMATICAL SOCIOLOGY

  2. JAPAN ASSOCIATION FOR MIGRATION POLICY STUDIES

Research Areas 1

  1. Humanities & social sciences / Sociology /

Awards 1

  1. Social Science Japan Data Archive Best Paper Award

    Akira Igarashi　Institute of Social Science, The University of Tokyo.　2019/02

Papers 30

  1. Ethnicity and Judicial Discrimination: Exploring punitive and sympathetic sentencing mechanisms through a survey experiment in Japan

    Akira Igarashi, Hatsuru Morita, Yoshikuni Ono

    RIETI Discussion paper series　Vol. 25-E-052　2025/06　Research paper (scientific journal)

  2. Investigating the House Effects in Online Survey Experiments

    Ikuma Ogura, Akira Igarashi, Masahiro Zenkyo

    Japanese Journal of Electoral Studies　Vol. 40　No. 2　p. 104-110　2025/05　Research paper (scientific journal)

  3. The Potential of Survey Experiments in Family Sociology

    Akira Igarashi

    Japanese Journal of Family Sociology　Vol. 37　No. 1　p. 39-49　2025/04/30　Research paper (scientific journal)

    Publisher: Japan Society of Family Sociology

  4. Does social embeddedness shape attitudes toward migrants? Evidence from a survey experiment in the United Kingdom

    Akira Igarashi, Mathew J Creighton

    Social Forces　Vol. 103　No. 3　p. 1018-1038　2025/03/18　Research paper (scientific journal)

    Publisher: Oxford University Press (OUP)

  5. Voter Preferences for Ethnoracial Minority Candidates: The Role of Policy Alignment and Shared Identity

    Akira Igarashi, Yoshikuni Ono

    2025/02

  6. Do African Americans overreport or underreport their experiences of discrimination? Evidence from list experiments

    Akira Igarashi

    European Sociological Review　2024/10　Research paper (scientific journal)

  7. Detecting Employment Discrimination of Immigrants in Japan Using Survey Experiments: A Study of Heterogeneity in Discrimination between Firms

    Akira Igarashi, Ryota Mugiyama

    Sociological Theory and Methods　Vol. 38　No. 1　p. 44-58　2023/09　Research paper (scientific journal)

  8. Whose tastes matter? Discrimination against immigrants in the Japanese labour market

    Akira Igarashi, Ryota Mugiyama

    Journal of Ethnic and Migration Studies　Vol. 49　No. 13　p. 3365-3388　2023/07　Research paper (scientific journal)

    Publisher: Informa UK Limited

  9. Compatibility of ethnic and national identifications under multicultural policies

    Akira Igarashi

    International Migration　Vol. 61　No. 3　p. 373-389　2023/06　Research paper (scientific journal)

    Publisher: Wiley

  10. Neoliberal ideology and negative attitudes toward immigrants: Evidence from a survey and survey experiment in Japan

    Akira Igarashi, Yoshikuni Ono

    Journal of Applied Social Psychology　Vol. 52　No. 12　p. 1146-1157　2022/12　Research paper (scientific journal)

    Publisher: Wiley

  11. How Do Racial Cues Affect Attitudes toward Immigrants in a Racially Homogeneous Country? Evidence from a survey experiment in Japan

    Akira Igarashi, Hirofumi Miwa, Yoshikuni Ono

    2022/09　Research paper (scientific journal)

  12. How do initial migrants choose their locations?: Interregional migration in Japan from 1899 to 1938

    Akira Igarashi

    Journal of Regional Science　Vol. 62　No. 4　p. 1032-1047　2022/09　Research paper (scientific journal)

    Publisher: Wiley

  13. The Dynamics of Immigration and Anti-Immigrant Sentiment in Japan: How and Why Changes in Immigrant Share Affect Attitudes toward Immigration in a Newly Diversifying Society

    James Laurence, Akira Igarashi, Kenji Ishida

    Social Forces　Vol. 101　No. 1　p. 369-403　2022/09　Research paper (scientific journal)

  14. The effects of negative and positive information on attitudes towards immigration

    Akira Igarashi, Yoshikuni Ono

    International Migration　Vol. 60　No. 4　p. 137-149　2022/08　Research paper (scientific journal)

  15. Who Should Call for Advocacies? The Influence of Rights Advocates on the Public's Attitude Toward Immigrants’ Voting Rights in Japan

    Akira Igarashi, Yoshikuni Ono

    Journal of East Asian Studies　Vol. 22　No. 3　p. 1-12　2022/06/20　Research paper (scientific journal)

    Publisher: Cambridge University Press (CUP)

  16. Why do citizens prefer high-skilled immigrants to low-skilled immigrants? Identifying causal mechanisms of immigration preferences with a survey experiment

    Akira Igarashi, Hirofumi Miwa, Yoshikuni Ono

    Research & Politics　Vol. 9　No. 2　2022/04　Research paper (scientific journal)

  17. Japanese Attitudes Toward Immigrants' Voting Rights: Evidence from Survey Experiments

    Akira Igarashi, Yoshikuni Ono

    RIETI Discussion Paper　2022/02

  18. Norms to be prejudiced: List experiments on attitudes towards immigrants in Japan

    Akira Igarashi, Kikuko Nagayoshi

    Social Science Research　Vol. 102　2022/01　Research paper (scientific journal)

  19. Threats and norms: Multicultural policies and natives’ attitudes towards immigrants

    Akira Igarashi

    The Sociological Quarterly　Vol. 63　No. 3　p. 426-448　2022/01　Research paper (scientific journal)

  20. Why Do Citizens Prefer Highly Skilled Immigrants to Low-Skilled Immigrants? Identifying Causal Mechanisms of Immigration Preferences with a Survey Experiment

    Akira Igarashi, Hirofumi Miwa, Yoshikuni Ono

    RIETI Discussion Paper　2021/06

  21. How does immigration affect anti-immigrant sentiment, and who is affected most? A Longitudinal Analysis of the UK and Japan cases

    Comparative Migration Studies　Vol. 9　p. 1-26　2021/06　Research paper (scientific journal)

  22. Hate begets hate: Anti-refugee violence increases anti-refugee attitudes in Germany

    Akira Igarashi

    Ethnic and Racial Studies　Vol. 44　No. 11　p. 1914-1934　2021/06　Research paper (scientific journal)

  23. The Effects of Negative and Positive Information on Attitudes toward Immigration

    Akira Igarashi, Yoshikuni Ono

    RIETIディスカッション・ペーパー　2020/03

  24. Neoliberalism and Negative Attitudes toward Immigrants

    Akira Igarashi, Yoshikuni Ono

    RIETI Discussion Paper Series　2019/10

  25. Till multiculturalism do us part: Multicultural policies and the national identification of immigrants in European countries

    Akira Igarashi

    Social Science Research　Vol. 77　No. 1　p. 88-100　2019　Research paper (scientific journal)

  26. Who cheats?

    Akira Igarashi

    Japanese Journal of Family Sociology　Vol. 30　No. 2　p. 185-196　2018　Research paper (scientific journal)

  27. Territorial conflicts and Japanese attitudes towards East Asian countries: Natural experiments with foreigners’ landings on disputed islands

    Akira Igarashi

    Political Psychology　Vol. 39　No. 4　p. 977-992　2018　Research paper (scientific journal)

  28. A Consensual Hierarchy of the Definitions of Japanese: Application of Mokken Scale Analysis

    Akira Igarashi

    Sociological Theory and Methods　Vol. 30　No. 2　p. 293-306　2015

    Publisher: Japanese Association For Mathematical Sociology

  29. The Influence of Integration Policies of Immigrants on Attitudes towards Immigrants: Multilevel Analysis with 22 European countries

    Akira Igarashi

    Sociologos　Vol. 39　No. 39　p. 31-44　2015

    Publisher:

  30. Consensual Ethnic Hierarchies among the East Asians: Mokken Scale Analysis with EASS 2008

    Akira Igarashi

    JGSS Research Series　Vol. 15　p. 41-50　2015

Misc. 8

  1. Beyond Language Proficiency: Understanding the Role of National Identification in Shaping Attitudes toward Immigrants

    Akira Igarashi, Charles Crabtree, Yoshikuni Ono

    2024/03

  2. Citizens’ Attitudes toward the Protection of Immigrants’ Human Rights: Evidence from a Survey Experiment in the Netherlands

    Akira Igarashi, Ryo Nakai, Yoshikuni Ono

    Waseda Institute of Political Economy Working Paper Series　2023/03

  3. データアーカイブにおけるDDIの意義と課題：RUDAの実践を事例として

    髙橋かおり, 五十嵐彰

    社会と調査　Vol. 27　2021/09

  4. 移民の日本に対する帰属意識

    五十嵐彰

    「くらしと仕事に関する外国籍市民調査」報告書（JSPS科研費若手研究（A）成果報告書）　p. 94-106　2020/06

  5. 『日本帝国統計年鑑』を電子化しての雑感

    五十嵐彰

    社会と統計　Vol. 6　No. 1　p. 55-64　2020/01　Rapid communication, short report, research note, etc. (bulletin of university, research institution)

  6. （文献紹介）林雄亮（編）『青少年の性行動はどう変わってきたか:全国調査にみる40年間』

    五十嵐彰

    家族社会学研究　Vol. 31　No. 1　p. 94-94　2019/04　Book review, literature introduction, etc.

  7. 介護福祉士としての外国人増加に対する認識の規定要因

    五十嵐彰

    国際化と政治に関する市民意識調査（JSPS科研費基盤研究（B）成果報告書）　p. 1-11　2017/05　Other

  8. (Un)importance of prior contact with secondary groups in the secondary transfer effect

    Akira Igarashi

    p. 88-98　2016

Publications 8

  1. 可視化される差別―統計分析が解明する移民・エスニックマイノリティに対する差別と排外主義

    五十嵐 彰

    新泉社　2025/02/26

    ISBN: 4787724185

  2. 政治意識研究の最前線

    法律文化社　2025/02

  3. 家族社会学事典

    丸善出版　2023/12

  4. Extramarital sex

    Akira Igarashi, Sayaka Sakoda

    2023/01

  5. Handbook of Economic Nationalism

    Nana Oishi, Akira Igarashi

    Elgar　2022/10　Scholarly book

  6. 日本の移民統合―全国調査から見る現況と障壁

    明石書店　2021/06

  7. 日本人は右傾化したのか: データ分析で実像を読み解く

    五十嵐彰

    勁草書房　2019/09

  8. 移民政策とは何か：日本の現実から考える

    五十嵐彰, 永吉希久子

    人文書院　2019/04

Presentations 67

  1. Racial Profiling and Public Perception: Unveiling the Role of Statistical Discrimination in Japan

    Akira Igarashi, Charles Crabtree, Yoshikuni Ono

    International Political;Science Association 28th World Congress　2025/07/16

  2. Longitudinal Effects of Crime Rate Misinformation on Attitudes toward Immigrants: Evidence from Survey Experiments in Japan

    Akira Igarashi, Ikuma Ogura

    International Political Science Association 28th World Congress　2025/07/13

  3. Do Unexpected Events Change Citizens' Immigration Attitudes? Evidence from List Experiments before and after the US Presidential Election

    Ikuma Ogura, Akira Igarashi

    International Political Science Association 28th World Congress　2025/07/13

  4. Measuring Authoritarianism with Preferences on Parenting Style in East Asian Context: Evidence from Japan

    Ikuma Ogura, Akira Igarashi

    Japanese Society for Quantitative Political Science 2025 Summer Meeting　2025/07/06

  5. How Election Results Affect the Expressed and Underlying Public Opinion toward Immigration: Evidence from the 2024 US Presidential Election

    五十嵐彰, 小椋郁馬

    2025/05/18

  6. 選挙は"真の"反移民態度に影響を与えるか：2024 年アメリカ大統領選における実験

    五十嵐彰, 小椋郁馬

    第78回数理社会学会大会　2025/03/13

  7. 差別認識の多様性：アメリカの白人と黒人に対する調査

    五十嵐彰, 齋藤僚介

    第78回数理社会学会大会　2025/03/13

  8. Do Muslim Citizens Welcome Fundamental Muslim Immigrants?: Evidence From a Conjoint Experiment in Kazakhstan

    Higashijima Masaaki, Akira Igarashi, Yujin Woo

    2025 Southern Political Science Association's Annual Conference　2025/01/11

  9. 実験に基づく社会調査

    五十嵐彰

    千葉県酒々井町人権セミナー　2024/12/25

  10. The Roles of Group-level and Individual-level Information Play in Statistical Discrimination

    Akira Igarashi, Susumu Cato

    Social Stratification and Mobility Winter International Workshop　2024/12/07

  11. 家族社会学におけるサーベイ実験の可能性

    五十嵐彰

    第34回日本家族社会学会大会　2024/09/08

  12. 誤認知の修正によって態度は変化するか？ ―潜在的偏見と顕在的偏見の不一致に着目して―

    齋藤僚介, 五十嵐彰

    第77回数理社会学会大会　2024/08/31

  13. 統計的差別と誤情報修正によるレイシャル・プロファイリング 支持の解消─日本におけるサーベイ実験─

    五十嵐彰, 森田果, 尾野嘉邦

    第77回数理社会学会大会　2024/08/30

  14. Racial Profiling and Public Perception: Unveiling the Role of Statistical Discrimination in Japan

    Akira Igarashi, Hatsuru Morita, Yoshikuni Ono

    Japanese Society for Quantitative Political Science 2024 Summer Meeting　2024/07/06

  15. 貧困線パラドクス

    加藤晋, Conchita D'Ambrosio, 五十嵐彰, 釜賀浩平

    第76回数理社会学会大会　2024/03/16

  16. 歴史教科書は将来の政治的信条に影響するのか

    加藤晋, 五十嵐彰, マッケルウェイン・ケネス・盛

    第75回数理社会学会大会　2023/08/25

  17. Why Do Nationalists Support Migration?: Structural Economic Nationalism and Multicultural Transformation in Japan

    Nana Oishi, Akira Igarashi

    XX ISA World Congress of Sociology　2023/06/26

  18. アメリカ⼤統領選における分極化とリベラル化：投票⾏動への Kitagawa 要因分解の応⽤

    五十嵐彰, 齋藤僚介

    第74回数理社会学会大会　2023/03/07

  19. 移⺠の社会関係が排外主義に与える影響

    五十嵐彰, Mathew J. Creighton

    第73回数理社会学会大会　2022/08/27

  20. 移民の人権は守られるのか：オランダにおけるビネット実験

    五十嵐彰, 中井遼, 尾野嘉邦

    Japanese Society for Quantitative Political Science 2022 Summer Meeting　2022/07/08

  21. 移民の日本に対する帰属意識―水準と規定要因―

    五十嵐彰

    移民政策学会2022年度年次大会　2022

  22. イスラム教国におけるムスリム移民に対する態度ーカザフスタンにおけるコンジョイント実験ー

    東島雅昌, 五十嵐彰, ユジンウ

    第71回数理社会学会大会　2021/09/05

  23. Discrimination against immigrants in the Japanese labour market: Factorial survey approaches

    Akira Igarashi, Ryota Mugiyama

    The 116th American Sociological Association Annual Meeting　2021/08/10

  24. 日本企業は外国人を差別しているか ──サーベイ実験による検証──

    五十嵐彰, 麦山亮太

    第70回数理社会学会大会　2021/03/09

  25. 履歴書実験において人事を対象にする必要はあるのか

    五十嵐彰, 麦山亮太

    第 70 回数理社会学会大会　2021/03/08

  26. Why Do Natives Prefer High-Skilled Immigrants to Low-Skilled Immigrants? Identifying Causal Mechanisms of Immigrant Preference with A Survey Experiment

    Akira Igarashi, Hirofumi Miwa, Yoshikuni Ono

    2021 Winter Meeting of the Japanese Society for Quantitative Political Science　2021/01/10

  27. Interregional Migration from 1899 to 1938 in Japan

    The 93rd annual meeting of Japanese Sociological Association　2020/10/31

  28. 反差別規範の普及に関するリスト実験

    五十嵐彰, 永吉希久子

    第69回数理社会学会大会　2020/09/22

  29. Religion or Criminalisation? Multicultural policies and (non-) Muslim immigrants’ attitudes towards homosexuality

    The 116th American Political Science Association’s Annual Meeting　2020/09/13

  30. Multiculturalism and Muslim Immigrants’ Attitudes Towards Homosexuality

    The 115th American Sociological Association Annual Meeting　2020/08/12

  31. Why Do People Develop Ethnic Hierarchy? Perceptions of American and Chinese Immigrants in Japan

    Population Association of America Annual Meeting 2020 (Cancelled because of the coronavirus outbreak)　2020/04/25

  32. Threats and Norms: Multicultural Policies and Natives' Attitudes Toward Immigrants in European Countries

    Population Association of America Annual Meeting 2020 (Cancelled because of the coronavirus outbreak)　2020/04/25

  33. Fear and Hoping in Japan: How Immigration Impacts Social and Cultural Life in a Lower-Diversity Society

    James Laurence, Akira Igarashi

    International Symposium on New and old migrations and diversities in UK and Japan　2019/12/03

  34. Neoliberalism and negative attitudes toward immigrants

    Akira Igarashi

    The 23rd Experimental Social Science Conference　2019/11/30

  35. 移民の心理的統合―在日外国人の社会統合に関する研究（4）

    五十嵐彰

    第92回日本社会学会大会　2019/10/05

  36. Neoliberalism and exclusionism: Study with survey experiments

    Akira Igarashi, Yoshikuni Ono

    The 68th meeting of Japanese Association for Mathematical Sociology　2019/08/30

  37. The Effects of Threats and Benefits of Immigrants on Public Opinion

    Akira Igarashi, Yoshikuni Ono

    The 115th American Political Science Association’s Annual Meeting　2019/08/29

  38. 外国籍者の社会階層に関する全国調査の試み

    永吉希久子, 竹ノ下弘久, 五十嵐彰, 木原盾

    移民政策学会2019年度年次大会　2019/05/26

  39. Compatibility of ethnic and national identification under multicultural policies

    Akira Igarashi

    The 4th European Social Survey conference　2019/04/17

  40. The effects of benefits and threats of immigrants on public opinion

    Akira Igarashi, Yoshikuni Ono

    The 77th Midwest Political Science Association annual meeting　2019/04/07

  41. Public opinion: How exclusionism of immigrants is justified.

    Akira Igarashi, Kikuko Nagayoshi

    The problems of Japanese immigrant policies　2019/02/11

  42. Threats and Benefits of Immigrants

    Akira Igarashi, Yoshikuni Ono

    The 6th Asian Political Methodology Meeting　2019/01/05

  43. Segregation, threats, and prejudice against immigrants in Japan

    Akira Igarashi

    The 14th Asia-Pacific Sociological Association Meeting　2018/10/07

  44. Segregation, threats, and xenophobia

    Akira Igarashi

    The 91st annual conference of the Japanese Sociological Association　2018/09/16

  45. The influence of hate crimes against refugees on Germans' attitudes towards refugees

    Akira Igarashi

    The 66th annual conference of the Japanese Association for Mathematical Sociology　2018/08/31

  46. Compatibility of Ethnic and National Identifications under Multicultural Policies

    Akira Igarashi

    The 113th American Sociological Association Annual Meeting　2018/08/11

  47. Residential segregation, threats, and xenophobia

    Akira Igarashi

    The 65th Tohoku Sociological Association Annual Meeting　2018/07/16

  48. Hate begets hate: Anti-refugee violence increases anti-refugee attitudes

    Akira Igarashi

    The 41st Annual Conference of International Society of Political Psychology　2018/07/07

  49. Territorial Conflicts and Japanese Attitudes Towards East Asian Countries: Natural Experiments with Foreigners' Landings on Disputed Islands

    Akira Igarashi

    Japanese Association of Electoral Studies 2018 Annual Conference　2018/05/13

  50. Hate begets hate: Anti-refugee violence increases anti-refugee attitudes

    Akira Igarashi

    The 5th Joint Seminar on Asian Agenda for Young Scholars from China, Japan & Korea　2018/05/03

  51. Why we don't like multiculturalism, or do we?

    Akira Igarashi

    The 1st Conference of the Comparative Social Research Network　2018/01/27

  52. The Group Threat Theory and Support for Anti-Koreans and Chinese Associations in Japan

    Akira Igarashi

    1st International Workshop on Hate Speech in Asia and Europe　2018/01/17

  53. Compatible Identifications: Immigrants' ethnic and national identifications under multicultural policies

    Akira Igarashi

    2017/12/03

  54. Multicultural policies and immigrants' national identification

    Akira Igarashi

    The 90th annual conference for the Japan Sociological Society　2017/11/05

  55. Till Multiculturalism Do Us Part: Multicultural Policies and National Identification of Immigrants in European Countries

    Akira Igarashi

    4th Annual BAGSS conference　2017/09/21

  56. divorce/bereavement and economic threats against foreigners

    Akira Igarashi, Takafumi Ito

    The 64th annual conference of the Japanese Association for Mathematical Sociology　2017/09/17

  57. Infidelity and Resourcefulness: Determinants and Gender Differences

    Akira Igarashi

    The 27th conference for Japan Society for Family Sociology　2017/09/10

  58. Territorial Conflict and Japanese Attitudes towards East Asian Countries: A Natural Experiment In Event: 394 - Regular Session. Ethnic Conflict in a Global Context

    Akira Igarashi

    The 112th American Sociological Association Annual Meeting　2017/08/14

  59. Until multiculturalism do us apart: National identity of the majority and ethnic minorities

    Akira Igarashi

    The 3rd East Asian conference for young sociologists　2017/02/06

  60. Political Interest, Discriminatory Attitudes, and Anti-hate Speech Policy in Japan: a Selection of Regions for Comparison based on Google Search

    Akira Igarashi

    The 89th Japan Sociological Society annual meeting　2016/10/08

  61. The persistent effects of anti-Japan movements on the Japanese's attitudes towards China

    Akira Igarashi

    The 62th Japanese Association for Mathematical Sociology meeting　2016/08/27

  62. Why do immigrant integration policies improve the majority's attitudes towards immigrants? Intergroup contact, social norms, and symbolic boundaries

    Akira Igarashi

    The 63th Tohoku Sociological Association meeting　2016/07/30

  63. Political Interest, Discriminatory Attitudes, and Anti-hate Speech Policy in Japan: a Selection of Regions for Comparison based on Google Search

    Akira Igarashi

    Japan Association for Migration Policy studies 2016 annual meeting　2016/05/29

  64. The introduction of jus soli in Germany and Germans' ethnonationalism: Empirical analysis of Brubaker's hypothesis

    Akira Igarashi

    The 61th Japanese Association for Mathematical Sociology meeting　2016/03/17

  65. The Most Effective Combination of Anti-discrimination Policies to Reduce Discrimination: An Application of Sparse Partial Least Squares

    Akira Igarashi

    The 2nd East Asian Conference for Young Sociologists　2016/02/01

  66. The Most Effective Combination of Anti-discrimination Policies to Reduce Discrimination”

    Akira Igarashi

    Japan Association for Migration Policy studies 2015 Winter conference　2015/12/12

  67. Exploring Disparities in Subjective Discrimination Assessments: A Comparative Vignette Experiment between Humans and ChatGPT

    Akira Igarashi, Yoshinobu Kano, Hirofumi Miwa

    Japanese Society for Quantitative Political Science 2023 Summer Meeting　2023/06/24

Other 1

  1. Review experiences