生产网络与企业级替代弹性（英）-2024.5.pdf

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uProductionNetworksandFirm-level

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DevelopmentEconomics

DevelopmentResearchGroup

May2024

PolicyResearchWorkingPaper10782

Abstract

Thispaperprovidesoneofthefirstestimatesofelasticitiesqualityofinstitutions,inputspecificity,inventories,and

ofsubstitutionacrosssupplierswithinthesameproduct.timehorizonsexplainthelowelasticity.Thesefirm-level

Thispaperestimatestheseelasticitiesusingnewreal-timecomplementaritiesamplifythepropagationofnegative

administrativetaxdataonfirm-to-firmtransactions,withshocksthroughproductionnetworks,andmakecon-

product-levelpricesandquantities,leveraginggeographicnectedfirmsimportantforshockpropagation.Inpolicy

andtemporalvariationfromIndia’sCovid-19lockdownscounterfactuals,thepapershowsthatgiventhesecomple-

toderivecausalestimatesoftheseelasticities.Suppliersarementarities,allowingmoreconnectedfirmstooperatein

highlycomplementaryevenatthisgranularlevel,withanthefaceofshocksmitigatesoutputdecl