黒石悠介：中島賢太郎：高安優太郎：田中万理
『フィナンシャル・レビュー』 通巻第162号 149-181頁 （2026/03/01）
本稿は，グローバル・バリュー・チェーン（GVC）と貿易ネットワークに対する巨大災害の影響，および日本企業のレジリエンスを実証的に検討する。パンデミックやウクライナ侵攻はサプライチェーンの脆弱性を顕在化させ，各国経済に深刻な影響を及ぼしたが，企業が取引関係をどのように再構築してきたかに関する研究は依然として乏しい。本稿は2017～2022…
中島 賢太郎
日本評論社（2026/02/23）
【書評】『毎日新聞』、『宣伝会議』、『週刊 東洋経済』、『経済教育ネットワーク』、『運輸政策研究』、『KyodoWeekly』、一橋大学『経済研究』、ダイヤモンド・オンライン、等で取り上げられました。
Miyauchi, Yuhei：Kentaro Nakajima：Stephen J Redding
『Quarterly Journal of Economics』 Vol.140 Issue 4 pp.2507-2570 （2025/11/01）
We develop a tractable quantitative framework for modeling the rich patterns of spatial mobility observed in smartphone data. We show that travel is frequently undertaken as part of a travel itinerary, defined as a journey starting and ending at home that can include more than one intermediate stop on a given day. We show that these tr…
中島 賢太郎：手島 健介：山﨑 潤一
日本評論社（2025/10/02）
日本各地の都市の何気ない風景の「なぜ」の背後にあるメカニズムを経済学的に解説し、その理論を検証した最先端の実証研究を紹介。
Kotani, Atsuki：Kentaro Nakajima：Tetsuji Okazaki：Yukiko U. Saito
25-E-093 RIETI Discussion Paper Series （2025/09/01）
Innovations in military technology potentially drive significant societal transformations through applications to civilian use. This study aims to quantitatively measure the impact of military technology development on civilian innovation activities using prewar and wartime Japanese patent data from 1916 to 1945. By exploiting Japan's …
Inoue, Hiroyasu：Kentaro Nakajima：Tetsuji Okazaki：Yukiko U. Saito
『The Japanese Economic Review』 Vol.76 No.3 pp.795-820 （2025/06/19）
This study empirically investigates human interaction’s role in innovation by exploiting the 1918 influenza pandemic in Japan from 1918 to 1921, which prohibitively incr…
Nakajima, Kentaro：Tsuyoshi Tsuru：Katsuhito Uehara
『Connections』 Vol.44 Issue1 1-20頁 （2024/05/29）
Problem-solving effectiveness is key to organizational performance. To solve problems, gathering information from colleagues is critical, and positioning brokerage in communication networks is beneficial. The communication network for problem-solving is formed depending on the nature of the problem. Thus, the problem-solving network i…
Yamasaki, Junichi：Kentaro Nakajima：Kensuke Teshima
E-2020-02 TDB-CAREE Discussion Paper Series （2023/02/01）
Whether transaction costs to assemble or split land can persistently hinder urban land use remains unknown. Constructing a 100 m*100 m-cell-level dataset of central Tok…
Go, Eugenia：Kentaro Nakajima：Yasuyuki Sawada：Kiyoshi Taniguchi
F-1209 CIRJE Discussion Paper Series （2023/01/01）
Spatially and seasonally granular measures of local economic activities are increasingly required in a variety of economic analyses. We propose using novel vehicle density data obtained from daytime satellite images to quantify the local economic activity involving human and goods traffic flows. Validation exercises show that vehicle …
Yamaguchi, Shotaro：Hiroyasu Inoue：Kentaro Nakajima：Tetsuji Okazaki：Yukiko Umeno Saito：Serguey Braguinsky
22-E-104 RIETI Discussion Paper Series （2022/11/01）
During Japan's industrialization from the late 19th to the first half of the 20th century, the adoption of foreign technologies was increasingly complemented by domestic…
Miyauchi, Yuhei： Kentaro Nakajima： Stephen J. Redding
No. 28497 NBER Working Paper （2022/04/01）
Inoue, Hiroyasu： Kentaro Nakajima： Tetsuji Okazaki： Yukiko Umeno Saito
22-E-026 RIETI Discussion Paper Series （2022/03/01）
Go, Eugenia： Kentaro Nakajima： Yasuyuki Sawada： Kiyoshi Taniguchi
No. 652 ADB Economics Working Paper Series （2022/03/01）
Kiyota, Kozo： Kentaro Nakajima： Miho Takizawa
22-E-13 RIETI Discussion Paper Series （2022/03/01）
