The Urban Economics Workshop 2023
空間情報科学研究センター(CSIS)との共催ワークショップ
- 2024年1月24日
対面とZoomを利用したハイブリッド開催について (In-person and Online Seminars Using Zoom) 本ワークショップは、対面とZoomを利用してのオンラインでの、ハイブリッド開催となります。 This seminar is held in-person and online.
以下の注意事項を必ずご確認のうえご準備をお願いいたします。 ■ 対面会場 ■ ※登録はこちらから(For registration)⇒ https://zoom.us/meeting/register/tJMtdOqhpzsqGNaJa-XZCnU4SivLKQIZHpFJ ※ 登録 (Registration) 事前登録が必須となります。 下記よりご登録いただくと、 ミーティングURLがemailで送付されます。 事前に、ご利用の端末にZoomアプリケーションのインストールをお済ませください。 (Zoomアカウントをお持ちの方は、emailにあるID, パスワードを使ってサインインして頂くことも可能です。) Registration is required to join a seminar. Please register in advance at the following website so that detailed information containing meeting URL will be provided via email. Please make sure to install ZOOM Cloud Meetings (application) on your computer or cell phone in advance. (If you have a Zoom account, sign-up using ID and password included in the email is also available.) 参加までの手順は下記より事前にご確認ください。 For more details, please see the following website. 日本語 ・ English ※ 注意 (Note) 参加者名には、ご自分の氏名をお使い下さい。 Please register your full name when you participate. ※ セミナー中 (During Seminars) ご自身の音声は、質疑応答時を除き、OFFにしてください。 Please mute your microphone during a speaker's talk except for Q&A session. 音声OFFの手順 (Muting Participants in Zoom) 日本語 ・ English
担当教員 (Organizer):佐藤泰裕 (Yasuhiro Sato) |
日時 |
2024年1月26日(金 Friday)13:00-15:00 ※時間に注意
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場所 | 対面とZoomを使ったオンラインでのハイブリッド開催(事前登録制)となります。詳細は本ウェブサイト上部の説明をご確認ください。
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報告 | 修士論文報告会 13:00-13:30
報告者:田中瑞希 13:30-14:00
報告者:牧野佑哉 14:00-14:30
報告者:Qingzhao YU 14:30-15:00
報告者:森本拓歩 |
Abstract |
日時 |
2024年1月26日(金 Friday)15:30-18:30
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場所 | 本ワークショップは、対面とZoomを利用してのオンラインとのハイブリッド開催となります。オンラインでは(事前登録制)となります。詳細は本ウェブサイト上部の説明をご確認ください。
■対面会場: 東京大学本郷キャンパス 小島ホール第3セミナー室 in Seminar Room 3 on the 2nd floor of the Kojima Hall This seminar is held in-person and online (registration is required for online participation). Please read the instruction at the top of this website for details. |
報告 | 芝 啓太(九州産業大学) Marcus Berliant (Washington University) |
Abstract | 芝 啓太(九州産業大学) Marcus Berliant(Washington University) |
以下本年度終了分
日時 |
2023年4月21日(金 Friday)17:00-18:30
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場所 | 本ワークショップは、対面とZoomを利用してのオンラインとのハイブリッド開催となります。オンラインでは(事前登録制)となります。詳細は本ウェブサイト上部の説明をご確認ください。
■対面会場: 東京大学本郷キャンパス 小島ホール第3セミナー室 in Seminar Room 3 on the 2nd floor of the Kojima Hall This seminar is held in-person and online (registration is required for online participation). Please read the instruction at the top of this website for details. |
報告 | 内藤徹(同志社大学) |
Abstract | This study investigates the effects of the regional childcare policy on fertility, interregional demographics,
and capital accumulation in a two-region OLG model with endogenous fertility and publicly provided childcare facilities. The key feature of the model is that one region has children who cannot enter the childcare facilities (waitlisted children), whereas the other region does not have these children. The use of childcare facilities is
assumed to be assigned to parents with a positive probability that decreases with an increase in "effective" supply of the publicly provided childcare facilities. We demonstrate that tax increases to expand the total supply of public childcare facilities in the region with waitlisted children may reduce the probability of becoming a waitlisted child and increase the fertility rate in the region with waitlisted children. However, this is not applicable in all cases. The key factor shaping variation in outcomes is the regional migration, which is induced by tax increases
that have negative effect on labor demand and positive effect on residence choice. The regional migration changes the number of parents in the region with waitlisted children, which is an indirect effect of the taxation policy. |
日時 |
2023年5月19日(金 Friday)17:00-18:30
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場所 | 本ワークショップは、対面とZoomを利用してのオンラインとのハイブリッド開催となります。オンラインでは(事前登録制)となります。詳細は本ウェブサイト上部の説明をご確認ください。
■対面会場: 東京大学本郷キャンパス 小島ホール第3セミナー室 in Seminar Room 3 on the 2nd floor of the Kojima Hall This seminar is held in-person and online (registration is required for online participation). Please read the instruction at the top of this website for details. |
報告 | 近藤恵介(神戸大学) |
Abstract | This study proposes a simple framework for the ex ante evaluation of migration subsidy. Recently, the Japanese government initiated a migration subsidy program to promote urban-to-rural migration for regional revitalization under the economy with a monopolar concentration in Tokyo. The ex ante evaluation framework proposed in this study formulates the payback period of interregional migration as investment behavior. In the model, households compare the sum of the expected benefits available each year after migration with the lump-sum costs of migration, which are estimated with structural estimation using the interregional migration flow data. The migration subsidy leads to an incentive for interregional migration by reducing the payback period. This study finds that households incur different migration costs at each stage of life, implying that a uniformly determined migration subsidy may have different policy effects. Counterfactual simulations provide scientific insight into the potential impact of the migration subsidy program, helping policymakers determine the optimal amount under the budget constraint. |
日時 |
2023年6月23日(金 Friday)17:00-18:30
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場所 | 本ワークショップは、対面とZoomを利用してのオンラインとのハイブリッド開催となります。オンラインでは(事前登録制)となります。詳細は本ウェブサイト上部の説明をご確認ください。
■対面会場: 東京大学本郷キャンパス 小島ホール第3セミナー室 in Seminar Room 3 on the 2nd floor of the Kojima Hall This seminar is held in-person and online (registration is required for online participation). Please read the instruction at the top of this website for details. |
報告 | 中島賢太郎(一橋大学) |
Abstract | Business to business interactions in a small distance have attracted research interests as the core of agglomeration forces, but observing directly business to business interactions has been challenging. We use unique business card exchange data from Eight, a business card organizer and professional networking platform, to overcome the challenge. We find that the distance reduces business card exchanges, more so for executives. We also find that the distance elasticity of business card exchanges is highly heterogeneous across industries and that the industry-level elasticity is correlated with a standard measure of industry-level agglomeration. Overall, our results suggest that business interactions are a key determinant of agglomeration. |
日時 |
2023年7月14日(金 Friday)17:00-18:30
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場所 | 本ワークショップは、対面とZoomを利用してのオンラインとのハイブリッド開催となります。オンラインでは(事前登録制)となります。詳細は本ウェブサイト上部の説明をご確認ください。
■対面会場: 東京大学本郷キャンパス 小島ホール第3セミナー室 in Seminar Room 3 on the 2nd floor of the Kojima Hall This seminar is held in-person and online (registration is required for online participation). Please read the instruction at the top of this website for details. |
報告 | 笹原 彰(慶應義塾大学) |
Abstract | This paper investigates the effects of globalization–measured by an increase in immigration and in imports from China–on labor market outcomes in Japan. We attempt to identify the causal links using a shift-share instrument based on previous settlement patterns of migrants for immigration shocks, and the one based on previous spatial allocation of sectoral employment for import shocks. The results suggest limited impact of these variables on wages, however, significant effects are found in the late 1990s, suggesting their interactions with Japan’s Lost Decade. |
日時 |
2023年10月13日(金 Friday)17:00-18:30
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場所 | 本ワークショップは、対面とZoomを利用してのオンラインとのハイブリッド開催となります。オンラインでは(事前登録制)となります。詳細は本ウェブサイト上部の説明をご確認ください。
■対面会場: 東京大学本郷キャンパス 小島ホール第3セミナー室 in Seminar Room 3 on the 2nd floor of the Kojima Hall This seminar is held in-person and online (registration is required for online participation). Please read the instruction at the top of this website for details. |
報告 | *今回のセミナーは日本貿易振興機構アジア経済研究所との共催です。 |
Abstract | How do people choose work and residence locations when commuting is costly and productivity spillovers, increasing returns to scale, or first nature advantage, reward the concentration of employment? We describe such an equilibrium city in a simple geography populated by agents with heterogenous preferences over workplace-residence pairs. The behavior of equilibrium cities is more complex than previously understood. Increasing returns to scale and productivity spillovers can disperse employment in empirically relevant parts of the parameter space. Heterogeneous preferences concentrate employment and residence. These results have important implications for the study of agglomeration economies and the specification of quantitative spatial models. |
日時 |
2023年11月10日(金 Friday)15:30-18:30
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場所 | 本ワークショップは、対面とZoomを利用してのオンラインとのハイブリッド開催となります。オンラインでは(事前登録制)となります。詳細は本ウェブサイト上部の説明をご確認ください。
■対面会場: 東京大学本郷キャンパス 小島ホール第3セミナー室 in Seminar Room 3 on the 2nd floor of the Kojima Hall This seminar is held in-person and online (registration is required for online participation). Please read the instruction at the top of this website for details. |
報告 | 田所 篤(京都大学) 岡本 千草(中央大学) |
Abstract | 田所 篤(京都大学) In a monocentric city model under monopolistic competition among heterogeneous firms with a variable elasticity of substitution (VES) preference, we examine how the market reacts to an increase in city size and identify the features of the optimal city size. We show that firm heterogeneity affects the market’s reaction to city size expansion only through price decrease, with more productive firms experiencing larger declines than less productive firms. This non-uniform price decrease induces a shift in consumption/production toward varieties produced by more productive firms, eventually enhancing allocation efficiency and welfare. The magnitude of the welfare impact through this shift depends on the degree of firm heterogeneity, resulting in the optimal city size in market equilibrium (the second-best city size) being larger for cities where the distribution of productivity is less skewed toward lower levels. Meanwhile, in the context of the constant elasticity of substitution (CES) preference, where price/markup is independent of city size, firm heterogeneity does not affect the market’s reaction to city size expansion or the optimal city size. Incorporating firm heterogeneity in our VES framework also affects the characteristics of the second-best city size. Despite a distorted economy due to variable markup pricing, the second-best city size coincides with the first-best city size, and the Henry George Theorem holds in the second best, whereas these characteristics are no longer maintained when firms are homogeneous. |
日時 |
2023年12月15日(金 Friday)15:30-18:30
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場所 | 本ワークショップは、対面とZoomを利用してのオンラインとのハイブリッド開催となります。オンラインでは(事前登録制)となります。詳細は本ウェブサイト上部の説明をご確認ください。
■対面会場: 東京大学本郷キャンパス 小島ホール第3セミナー室 in Seminar Room 3 on the 2nd floor of the Kojima Hall This seminar is held in-person and online (registration is required for online participation). Please read the instruction at the top of this website for details. |
報告 | 菊池 信之介(Massachusetts Institute of Technology) 内藤 巧(早稲田大学) |
Abstract | 菊池 信之介(Massachusetts Institute of Technology) 内藤 巧(早稲田大学) |
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