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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

小型開放經濟體系總體經濟政策之研究 / Estimating the Effects of Fiscal Policy in a Small Open Economy: The Case of Taiwan

李麗華 Unknown Date (has links)
本文建立小型開放經濟體系的VAR模型,利用符號限制法(Sign Restrictions)認定財政政策衝擊,評估台灣財政政策的總體經濟效果。符號限制法係利用對衝擊反應函數做符號限制的方式認定財政衝擊,對關心的變數如:實質GDP、民間消費、民間投資、貿易收支等變數對財政政策衝擊的反應則不設限制,讓資料來回答。本研究參酌Mountford and Uhlig(2009)及Ho and Yeh(2010)的方式認定總合供給衝擊、總合需求衝擊、貨幣政策衝擊、政府支出衝擊以及政府收入衝擊。研究結果發現,政府支出衝擊對民間投資短期會產生排擠效果,中長期(二十季)則有提振的效果。政府支出衝擊引發短期名目利率上漲,國外資金流入,實質有效匯率上升,貿易收支因而下跌。政府支出衝擊對於實質GDP一開始有正向效果,但排擠效果短期會使實質GDP下跌,一旦政府支出帶動中長期民間投資後,對實質GDP有正向效果,但並不顯著。 政府收入衝擊短期對實質GDP、民間消費、民間投資有正向效果,中長期的效果為負。若以政府支出衝擊細項來看,政府消費支出衝擊對實質GDP有顯著提振的效果,政府投資支出衝擊對於實質GDP的助益十分有限。
2

總體商業訊息與台灣股票報酬之關係:以Fama-MacBeth兩階段方法實證 / News Related to Macroeconomics and Taiwan Stock Market Return: Using two-step Fama-MacBeth Procedure

王崇育, Wang, Chung Yu Unknown Date (has links)
本文利用向量自我迴歸模型所得出來的殘差值來模擬未預期到的總體經濟訊息,以期限利差和一個月定存利率來捕捉殖利率曲線,以違約利差和股利收益率來描繪資產報酬的條件機率分布,本文實證未預期到的期限利差和未預期到的違約風險與淨值市價比因子和市值規模因子包含相同的訊息,因此後續檢驗這些能夠捕捉未來投資機會的總體經濟訊息比起Fama-French三因子模型是否對台灣股票橫斷面的平均報酬更具有解釋能力。 實證方法採用Fama-MacBeth(1973)兩階段迴歸方法,Fama-French三因子模型實證結果顯示台灣股票市場存在著負向的淨值市價比效果,但卻不存在著規模效果,這與國外一些學者研究1980年代之後規模效果逐漸消失的結論相同。在實證未預期到的總體經濟訊息模型時,由於被解釋變數為股票超額報酬率,因此常數項應該為不顯著的關係,但此假設強烈的被未預期到的總體經濟訊息模型拒絕,代表此模型可能遺漏了重要的解釋變數。因此,Fama-French 三因子模型對台灣股票橫斷面平均報酬率的解釋能力比未預期到的總體經濟訊息模型更佳。 / The Fama and French factors HML and SMB are correlated with innovations in variables that describe investment opportunities. I find that shocks to term spread and shocks to default spread have the same information with the Fama and French factors HML and SMB. This paper investigates whether a model that includes shocks to the aggregate dividend yield and term spread, default spread, and one-month deposit interest rate can explain the cross section of average return on Taiwan stock market as well as the Fama and French can. Using the Fama-MacBeth (1973) two steps cross-sectional regressions, I find there exists the negative book-to-market effect on Taiwan stock market, but the size effect disappears. Since the dependent variables in the regression is excess returns, the intercept of the cross-sectional regression should be zero. This hypothesis is strongly rejected in the case of the model includes shocks to the Macroeconomics variables and the market portfolio. It means this model omits some important variables, so the Fama and French three-factor model can explain the cross section of average returns better.

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