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2024/06/14 (金)
16:30〜18:00
Network dynamics and propagation in aging society (with Kongphop Wongkaew)
齊藤有希子(早稲田大学)
京都大学経済研究所本館1階 106 会議室

要旨:Japan’s economy faces the challenges of demographic aging, with the aging of CEOs being a significant channel. When a CEO cannot find a successor, the firm may be forced to voluntarily exit the market. This study examines the propagation effects of demographic aging by analyzing the correlation between the voluntary exits of firms and their business partners. We hypothesize that the voluntary exit of a firm could lead to the voluntary exit of its business partners, creating a cascading effect throughout the firm network. Using firm-level data and controlling firm characteristics, industry, and year fixed effects, we find a positive and significant correlation between the voluntary exits of owned firms and their business partners. Furthermore, we observe that these effects are more pronounced for firms located in peripheral prefectures, possibly due to lower firm density and diversity, making it harder for firms to find new business partners after the exit of an existing one. This difference between core and peripheral prefectures is particularly strong for linkages between manufacturing firms , which can be attributed to input specificity. Our findings contribute to understanding the impact of demographic aging on firm networks and have implications for industrial policies aimed at maintaining the viability of firms, especially in peripheral areas.

2024/06/12 (水)
16:45〜18:15
Kernel Density Estimation by Genetic Algorithm
Kiheiji NISHIDA(京都産業大学)
第一共同研究室(4F北側)
2024/06/10 (月)
14:00〜16:00
神林龍(武蔵大学), 安橋正人(奈良女子大学, 経済研究所先端政策分析研究センター)
京都大学 経済研究所 北館 1F N101・102

14:00~15:00
“The Consequences of Hometown Regiment: What Happened in Hometown When the Soldiers Never Returned?”
発表者:神林龍 武蔵大学経済学部教授

15:00~16:00
Title:「戦後日本における国際産業政策の変遷:国会会議録テキストによる『産業協力』の分析」
発表者:安橋正人 奈良女子大学研究院生活環境科学系准教授、経済研究所先端政策分析研究センター特命准教授

2024/06/06 (木)
17:00〜18:30
Sukjoon Son (University of Tokyo)
本館1階会議室
2024/06/06 (木)
15:00〜16:30
Output Dynamics and Private Sector Access during Sovereign Debt Crises
阿曽沼多聞(国際通貨基金)
京都大学法経済学部東館 8階 リフレッシュルーム

Abstract:Output dynamics and private sector access vary across sovereign debt restructurings with foreign private creditors. We compile data on sovereigns’ private sector borrowing from sovereign’ foreign creditor chair countries in 1977–2020. We find that (i) sovereigns with high private sector borrowing from sovereigns’ creditor chair countries choose a preemptive restructuring; (ii) private sector borrowing from sovereigns’ creditor chair countries declines mildly in preemptive restructurings while sharply in post-default restructurings. We build sovereign debt model with endogenous choice of preemptive and post-default renegotiations, output dynamics and private sector access. Our model quantitatively shows that the sovereign’s choice of preemptive or post-default restructuring affects differently the foreign creditor’s net worth and lending to the sovereign’s private sector, and, in turn, this results in different output dynamics. Data support theoretical predictions.

2024/05/30 (木)
17:00〜18:30
Decentralized Learning in Multi-issue Two Party Elections with Limited Attention Voters
Jimmy Chan (National Taiwan University)
本館1階会議室
2024/05/23 (木)
17:00〜18:30
Keisuke Teeple (University of Waterloo)
本館1階会議室
2024/05/17 (金)
16:45〜18:15
Production externality, industrial growth, and patent cooperation
天龍洋平(新潟県立大学)
京都大学法経済学部東館 8階 リフレッシュルーム
2024/05/17 (金)
16:30〜18:00
Knowledge creation through multimodal communication
Marcus Berliant (Washington University in St.Louis), Masahisa Fujita (Kyoto University)
京都大学経済研究所本館1階 106 会議室

【Paper】5/1改訂版 【資料】5/16掲載 【Slide】5/17掲載

Abstract: Knowledge creation either in isolation or joint with another person, using either face to face or internet contact and incorporating internet search ability is analyzed. Both a conceptual phase and a technical phase of research are analyzed, allowing workers to choose endogenously their mode of communication. In addition to formal knowledge, tacit knowledge plays an essential role in the knowledge production process, as it is not internalized. Lead time for face to face communication plays a key role. The sink point is inefficient. Our framework is applied to pandemic restrictions on face to face communication.

2024/05/17 (金)
15:00〜16:30
The Effects of Production Subsidies and Taxation on Employment in Oligopolistic General Equilibrium
亀井慶太(西南学院大学)
京都大学法経済学部東館 8階 リフレッシュルーム
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