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高标准贸易协定与全球供应链韧性:制度环境视角

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在外部经济环境不确定性上升背景下,本文探究了高标准贸易协定对全球供应链韧性的影响.特征事实分析显示,制度环境是影响供应链韧性的重要因素,提高贸易协定深度可降低全球供应链断裂风险.本文进一步构建制度环境与供应链韧性的动态合约模型,引入合约不完备程度和随机供应链冲击.理论模型表明,在供应链冲击下,无论是即期合约还是关系型合约,制度环境改善都将降低供应链交易关系断裂概率,且采用关系型合约的供应链更具韧性.结构估计和量化分析证实,提高贸易协定深度可改善制度环境,降低全球供应链断裂概率、增强供应链韧性;签订《区域全面经济伙伴关系协定》(RCEP)和加入《全面与进步跨太平洋伙伴关系协定》(CPTPP)都将降低中国从成员国进口供应链的断裂概率,且对中国提升全球供应链韧性的作用显著大于已有的贸易协定.据此,积极签订和加入高标准贸易协定,构建一流的营商环境将成为增强中国供应链韧性的有效措施.本文为推进中国高水平对外开放,提升产业链供应链韧性提供了理论和经验借鉴.
High-standard Trade Agreements and Global Supply Chain Resilience:The Perspective of Institutional Environment
Currently,the global economic recovery remains fragile,with frequent international economic and trade fric-tions,escalating geopolitical conflicts,increased uncertainty,and the US push for supply chain reshaping leading to the fragmentation of the global economy and trade.These factors pose a significant challenge to the resilience of global sup-ply chains.The pressing question is:how to effectively improve the resilience level of global supply chains?This paper examines whether high-standard trade agreements can become a viable solution to managing global supply chain risks,considering China's implementation of the strategy of free trade areas.The paper,based on institutional environment channels,explores the impact of high-standard trade agreements on global supply chain resilience(GSCR),which con-sists of six sections.It starts with an introduction,and followed by an analysis of stylized facts.Section 3 constructs a theoretical model to elucidate the influence of the institutional environment on supply chain resilience.Section 4 assesses the impact of high-standard trade agreements on the institutional environment through structural estimation.Section 5 uses quantitative analysis to examine the effect of high-standard trade agreements on GSCR through the institutional envi-ronment,and Section 6 concludes with policy implications.In the analysis of stylized facts,we employ survival analysis,linear models,and causal analysis to examine the effect of trade agreement depth on GSCR.Theoretical modeling in-volves constructing a dynamic contract model illustrating the relationship between institutional environment and supply chain resilience.Structural estimation and quantitative analysis entail developing a likelihood function,employing Bayes-ian estimation to determine structural parameters,and quantitatively assessing the impact of high-standard trade agree-ments on GSCR by using China as a case study.The main data utilized in this study are sourced from the global bilateral HS1996 6-digit intermediate products trade data from 1996 to 2020 in the CEPII BACI database,and the trade agreement depth data from 1996 to 2015 in the global trade agreement depth database established by Hofmann et al.(2017).The main findings of this study are threefold.Firstly,the stylized facts indicate that the increase in the depth of trade agreements can reduce the risk of disruptions in global supply chain transaction relationships and improve resilience.Sec-ondly,the theoretical model indicates that under supply chain shocks,an improvement in the institutional environment,i.e.,an increase in contract coverage rate,whether under spot or relational contracts,can decrease the probability of supply chain transaction relationship disruptions and enhance resilience.Moreover,firms utilizing relational contracts prove greater resilience in the supply chain than those relying on spot contracts.Thirdly,structural estimation and quantitative analysis confirm that the increase in the depth of trade agreements can improve the institutional environment,decrease the probability of global supply chain disruptions,and enhance resilience.The implementation of the Regional Comprehen-sive Economic Partnership(RCEP)and the accession to the Comprehensive and Progressive Agreement for Trans-Pacific Partnership(CPTPP)will reduce the probability of China's import supply chain disruptions from member countries,sig-nificantly amplifying China's GSCR compared to the existing trade agreements.Based on this,effective measures to en-hance China's supply chain resilience will be actively signing and implementing high-standard trade agreements and building a first-class business system environment.The contribution of this paper lies in the three extensions to Antràs'(2023)model.Firstly,it incorporates the institu-tional environment into a dynamic contract model.Unlike Defever et al.(2016)and Kukharskyy(2016)who assume com-plete contract incompleteness,our model introduces varying levels of the institutional environment through partial con-tract incompleteness and uses contract coverage rate to measure the level of the institutional environment,which is a mar-ginal improvement.Secondly,it incorporates stochastic supply chain shocks and analyzes supply chain disruptions.Dif-fering from Naghavi et al.(2023)who directly utilize the value of static contracts as a proxy for relationship duration,we employ a dynamic discrete choice model to obtain the endogenous contract termination probabilities.Thirdly,it incorpo-rates contract mode selection.Firms choose between spot and relational contracts.So,the institutional environment will influence supply chain resilience differently as firms'choice differs.This enriches the supply chain mechanisms.Finally,it conducts a quantitative analysis of the impacts of China's implementation of RCEP and accession to CPTPP on enhanc-ing its GSCR.

High-standard Trade AgreementsInstitutional EnvironmentTrade Agreement DepthSupply Chain Resil-ience

沈国兵、沈彬朝

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复旦大学世界经济研究所

复旦大学经济学院,邮政编码:200433

高标准贸易协定 制度环境 贸易协定深度 供应链韧性

国家社会科学基金重大项目教育部人文社会科学重点研究基地重大项目

23ZDA03222JJD790013

2024

经济研究
中国社会科学院经济研究所

经济研究

CSTPCDCSSCICHSSCD北大核心
影响因子:4.821
ISSN:0577-9154
年,卷(期):2024.59(5)
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