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村庄网络中的冲击传导与保险

Propagation and Insurance in Village Networks
American Economic Review · 2023 · Cynthia Kinnan、Krislert Samphantharak、Robert M. Townsend、Diego Vera‐Cossio

中文摘要

发展中国家的企业嵌入供应链和劳动力网络之中。这些联系可能传导或削弱冲击。利用泰国村庄的面板数据,我们记录了三个事实:当面临特异性冲击的家庭调整其生产时,这些冲击会在生产端和消费端同时传导至其他家庭;通过劳动力联系产生的传导强于通过供应链联系产生的传导;网络越密集、受到冲击的家庭在网络中的中心性越高,冲击的传导越强,而获得正式或非正式保险会减弱冲击传导。扩大社会安全网的社会收益可能高于私人收益。(JEL D13、D22、G22、I10、L14、L26、O10)

Abstract

Firms in developing countries are embedded in supply chains and labor networks. These linkages may propagate or attenuate shocks. Using panel data from Thai villages, we document three facts: as households facing idiosyncratic shocks adjust their production, these shocks propagate to other households on both the production and consumption sides; propagation is greater via labor than supply chain links; and shocks in denser networks and to more central households propagate more, while access to formal or informal insurance reduces propagation. Social benefits from expanding safety nets may be higher than private benefits. (JEL D13, D22, G22, I10, L14, L26, O10)
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