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时间:2020-03-26
《不确定终止时间的多阶段投资消费模型研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
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6、ܧž¤§´¤^§^¼ê§éó§C©ØªiØ(½ªŽžmõãÝ]ž¤.ïÄMultistagePortfolioandConsumptionModelWhenTime-horizonisUncertainABSTRACTThisarticlediscussesamulti-stagemodelofoptimalinvestmenta
7、ndconsump-tionconsideringtransactioncostswhentime-horizonisuncertain.Weconsiderthefinancialmarkethasonekindofrisk-freeassetinvestmentanddkindsofriskyassetswhichcanbeinvested.Tradingrisk-freeassetsdon’tneedtransactioncosts,buttradingriskyassetsrequirepro
8、portionoftransactioncosts.Toestablishamodelofexpecteddiscountedutilitymaximizationfromterminalwealthandconsumption.Assumingattthewealthofallthefundstobanks,weusedualmethodsandvariationalinequalitytheory,obtaintheoptimalconsumptionstrategyˆc(t)andtheopt
9、imalwealthprocessXzˆ,andexpresstheequationtomeettheinvestmenttstrategies.KEYWORDS:portfolio§consumption§transactioncosts§utilityfunc-tion§duality§variationalinequalityiiàó’ŒÆa¬ÆØ©8¹¥©Á‡..................................................................
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