Kazufumi Tsuboi ^{1, 2}

• 
• 1. Graduate School of Information Science, Tohoku University, Japan.
  2. [2023/4-] Japan Society for the Promotion of Science, research fellow, DC2.
  
  坪井 和史 ^{1, 2}
  1, 東北大学大学院 情報科学研究科 (博士課程).
  2, [2023/4-] 日本学術振興会 特別研究員 DC2.
  
  Research Interests: Location Theory, Human Mobility, Urban Economics, Bayesian Learning, Behavioral Economics, Machine Learning.
  Research map

Publications

Published
• Kazufumi Tsuboi, Naoya Fujiwara, Ryo Itoh (2022) Influence of trip distance and population density on intra-city mobility patterns in Tokyo during COVID-19 pandemic, PLoS ONE 17(10): e0276741, arXiv.

Preprint
• Kazufumi Tsuboi, (2022) Shifting to Telework and Firms' Location: Does Telework Make Our Society Efficient?, https://doi.org/10.48550/arXiv.2212.00934, [Major Revision from The Annals of Regional Science ].

Working
• Kazufumi Tsuboi, Learning from infection risks by doing and urban mobility.

Conference Presentations

International conferences

• Kazufumi Tsuboi, The location of telework company, The 12th Asian Conference in Regional Science, Ulsan (S. Korea), Augest 8-9.
• Kazufumi Tsuboi, Telework and Urban Location Theory: Does Telework Make the Economic Activity Efficient?, Mathematical geographical modelling for environmental humanities, RIMS, Kyoto University, July 6-7, 2022.
• Kazufumi Tsuboi, The Location Theory of Telework Company in the City: Face-to-face Communication and Urban Structure, 11th European Meeting of the Urban Economics Association, London School of Economics and Political Science (UK), April 29-30, 2022.
• Kazufumi Tsuboi, Naoya Fujiwara, Ryo Itoh, Does COVID-19 pandemic change our daily mobility? Evidence from Japanese cellar-phone data, 11thThe Asian Seminar in Regional Science (ASRS), online (Feng Chia University), October 8,2021.
• Kazufumi Tsuboi, Naoya Fujiwara, Ryo Itoh, Network analysis of human mobility and impact of COVID-19 pandemic on human mobility, Mathematical geographical modelling for environmental humanities, online (RIMS, Kyoto University), June 24,2021.
• Kazufumi Tsuboi, Naoya Fujiwara, Ryo Itoh, Mobility change and COVID-19: Evidence from the cellular-phone data in Tokyo, The XV World Conference of Spatial Econometrics Association (SEA 2021), [8-A-03], online (Tokyo), May 26-28, 2021.

Domestic conferences

• Kazufumi Tsuboi, 感染リスクのベイズ学習と人流データを用いた実証, 第18回ネットワーク生態学シンポジウム, 北海道大学, 2023年2月28日-3月1日.
• Kazufumi Tsuboi, テレワークが創出する経済の効率化と非効率化:都市内立地の理論解析, ネットワーク科学研究会2022, 同志社大学, 2022年8月23日-25日.
• Kazufumi Tsuboi, Telework and location theory of company, 都市経済学研究会, 京都大学, 2022年6月17日.
• Kazufumi Tsuboi, Face-to-face communication and urban structures: Do cities change with prevailing telework? , 応用地域学会, online (金沢大学) , 2021年11月21-22日.
• Kazufumi Tsuboi, Naoya Fujiwara, Ryo Itoh, 新型コロナウイルスの拡大・緊急事態宣言が人流に及ぼす影響, ネットワーク科学研究会2021, 金沢商工会議所 研修室１, 2021年12月11日-12日.

Press Releases

• Kazufumi Tsuboi, Naoya Fujiwara, Ryo Itoh, 東北大学ホームページ, パンデミックで人の流れはどう変わったか？ 人流ビックデータが描くニューノーマルへの軌跡.
• Kazufumi Tsuboi, Naoya Fujiwara, Ryo Itoh, 日本経済新聞, 東北大、新型コロナ感染症の第1波から第3波において感染リスクがもたらす外出行動の変化を分析.

Research Grants

• 2022/08/01- 東北大学 学生プロジェクト, 500,000 JPY/year
• 2022/04/01- JST the establishment of university fellowships towards the creation of science technology innovation Grant Number JPMJFS2102, 340,000 JPY/year
• 2021/10/01-2022/03/31 JST spring Grant Number JPMJSP2114, 340,000 JPY/year

CONTACT

• 〒980-8579
  宮城県仙台市青葉区荒巻字青葉6-3-09
  
  e-Mail: tsuboi[at]se.is.ac.jp [at]->@