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股市可預(yù)測性與技術(shù)指標(biāo)協(xié)整性的模型檢驗-全文預(yù)覽

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【正文】 30612()D1223635()D13+15247()()D15+  +()()D17+()()D19+  +()()D21+()D22  其中括號內(nèi)的數(shù)值分別為對應(yīng)回歸參數(shù)的t統(tǒng)計量,且MSE=,F=40700,R2=,DW=,相對誤差的均值、標(biāo)準(zhǔn)差及絕對值的平均值分別為:,%;表示模型精度的各概率值分別為:P(10%)=100%,P(8%)=100%,P(5%)=100%,P(1%)=%。如果拒絕了假設(shè)H0,意味著AR(p)的階數(shù)仍可升高,p+1階的滯后變量(在我們的模型中指更高階的差分變量Dp+1)可以被引入作為解釋變量。p為自回歸的階數(shù),可由過擬合F檢驗準(zhǔn)則來界定,過擬合F檢驗統(tǒng)計量的計算見下面的()式。比如一個遵循隨機游走模型的隨機變量,當(dāng)它的方差與期望之比滿足一定條件時,隨機游走模型本身就是一個誤差滿足一定要求的預(yù)測模型。The ModelTest for the Prediction of Stock Marketsand the Cointegration of Technical IndexesZhou aiminThe Institute for Research in International Economics,Nankai UniversityAbstract  Prices in an effective stock market vary reflects the equal distribution of information of same it does not contradict with “predictable”,since prediction itself cannot provide absolute precision,more over,“predictable”is quite different from making money by means of has been proved by the stochastic models of stock market this article the author tries to explain it through testing the cointegration of some major technical indexes and establishing autoregrassion models of stock ,the author points out the reverse relationship between the different stage of various models and the different degree of stock market efficiency.  Key words:Cointegration,Effectiveness,Predictable,Test.一、滬、港股市可預(yù)測性的模型檢驗  本文提出股市可預(yù)測性,針對的是證券市場有效性概念里,容易引起誤解的幾個地方〔1〕。股市可預(yù)測性與技術(shù)指標(biāo)協(xié)整性的模型檢驗* 發(fā)布時間:2000年10月02日 周愛民  內(nèi)容摘要   ,18(1),5~10  一個有效的股市,其價格應(yīng)該是隨機波動的,反映市場信息的同質(zhì)等量分布,或者說無人能靠分析過去的信息而賺到錢?! £P(guān)鍵詞:協(xié)整、可預(yù)測、檢驗?!翱深A(yù)測”是指所建立起的預(yù)測模型其誤差是在可接受的范圍內(nèi)?! It=a0+a1LMIt+a2D2+……+apDp+εt  ()  其中MIt為股指數(shù)據(jù),LMIt為其一階滯后變量,D2=Δ2MIt,…,Dp=ΔpMIt,分別為股指數(shù)據(jù)MIt二階、…、p階的差分變量。   上海股市指
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