新能源汽车主要矿产原料价格间的联动关系基于小波多分辨率的溢出网络方法

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中图分类号：F426.32 文献标识码：A 文章编号：2097-5465（2025）05-0096-11

Abstract：Asthemaindevelopment directionofChina'sautomobileindustry，newenergyvehiclesaredeeplystudied.The interactioandinfluencebetwenthepricesofmainmineralrawmaterialsofnewenergyvehiclesarestudiedinordertopreventand controltheriskofmineralresourcessystem.Inthispaper，weusethemaximumoverlapdiscretewavelettransformandthetimevaryingparametervectorautoregressiveDYspillverindexmodeltosudythecharacteristicsofmineralpricespillverfctson short，mediumandlong-termtimescalesbytakingnineminerals，suchaslithium，cobalt，aluminum，manganese，nickellead， copper，tinandzinc，whicharecrucialtotheproductionofnewenergyvehicles，astheresearchobjects.Theresultsshowthatthe spillovereffctandriskconductionvelocitybetweenmineralsincreasewiththeincreaseof timescale.Thepriceofzincandtins abridgecandirectlyafectthemineralmoreandcanquicklyaffectthepriceofotherminerals；thecommunitycomposedofcopper， zinc，tin and lead has strong cohesion in price transmission.

Keywords：newenergyvehicles；mineral prices；spilover efects；maximaloverlapdiscrete wavelet transform；complex network

0 引言

环境污染和能源危机日益严峻，全球范围内的替代传统石油能源需求在不断增长。（剩余11226字）