Propagation and Amplification of Local Productivity Spillovers

IF 6.6 1区 经济学 Q1 ECONOMICS
Econometrica Pub Date : 2024-09-27 DOI:10.3982/ECTA20029
Xavier Giroud, Simone Lenzu, Quinn Maingi, Holger Mueller
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引用次数: 0

Abstract

The gains from agglomeration economies are believed to be highly localized. Using confidential Census plant-level data, we show that large industrial plant openings raise the productivity not only of local plants but also of distant plants hundreds of miles away, which belong to large multi-plant, multi-region firms that are exposed to the local productivity spillover through one of their plants. This “global” productivity spillover does not decay with distance and is stronger if plants are in industries that share knowledge with each other. To quantify the significance of firms' plant-level networks for the propagation and amplification of local productivity shocks, we estimate a quantitative spatial model in which plants of multi-region firms are linked through shared knowledge. Counterfactual exercises show that while large industrial plant openings have a greater local impact in less developed regions, the aggregate gains are greatest when the plants locate in well-developed regions, which are connected to other regions through firms' plant-level (knowledge-sharing) networks.

地方生产力溢出效应的传播和放大
聚集经济的收益被认为是高度本地化的。我们利用保密的人口普查工厂级数据表明,大型工业工厂的开业不仅提高了当地工厂的生产率,也提高了数百英里之外远处工厂的生产率,这些工厂属于多工厂、多地区的大型企业,它们通过其中一家工厂受到当地生产率外溢的影响。这种 "全球 "生产率溢出效应不会随着距离的增加而衰减,如果工厂所处的行业彼此共享知识,这种溢出效应就会更强。为了量化企业在工厂层面的网络对当地生产率冲击的传播和放大作用,我们估算了一个定量空间模型,在该模型中,多地区企业的工厂通过共享知识联系在一起。反事实研究表明,虽然大型工业工厂的开业对欠发达地区的地方影响更大,但当工厂位于发达地区时,总体收益最大,因为这些地区通过企业的工厂级(知识共享)网络与其他地区相连。
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来源期刊
Econometrica
Econometrica 社会科学-数学跨学科应用
CiteScore
11.00
自引率
3.30%
发文量
75
审稿时长
6-12 weeks
期刊介绍: Econometrica publishes original articles in all branches of economics - theoretical and empirical, abstract and applied, providing wide-ranging coverage across the subject area. It promotes studies that aim at the unification of the theoretical-quantitative and the empirical-quantitative approach to economic problems and that are penetrated by constructive and rigorous thinking. It explores a unique range of topics each year - from the frontier of theoretical developments in many new and important areas, to research on current and applied economic problems, to methodologically innovative, theoretical and applied studies in econometrics. Econometrica maintains a long tradition that submitted articles are refereed carefully and that detailed and thoughtful referee reports are provided to the author as an aid to scientific research, thus ensuring the high calibre of papers found in Econometrica. An international board of editors, together with the referees it has selected, has succeeded in substantially reducing editorial turnaround time, thereby encouraging submissions of the highest quality. We strongly encourage recent Ph. D. graduates to submit their work to Econometrica. Our policy is to take into account the fact that recent graduates are less experienced in the process of writing and submitting papers.
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