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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

房價泡沫,景氣預測,及小樣本下住宅價格估計之研究 / Three essays about housing price bubble, real estate business cycle prediction and small sample estimation of housing price

馬毓駿 Unknown Date (has links)
台北房市自2003年的SARS低點過後逐漸回暖,並在2006年開始房價出現劇烈的漲幅,在決定房屋供給與需求的基本面未大幅變化的前提下,多數學者質疑台北的房價已呈現泡沫化,購屋的負擔已超過多數受薪家庭的支付能力。本文首先擬以購屋成本及投資報酬率的角度分析台北房市泡沫化的幅度,實證結果指出台北市的房價在1990年代及2006年後明顯出現泡沫化的現象,所得及租金推估的泡沫分別達到三成及六成的幅度,且2006年後的房價泡沫至今仍未有破裂跡象。在此一結論下,本文進一步分析生成台北房價泡沫的原因,實證結果指出房價出現泡沫化的同時,與股市報酬率及貴金屬報酬率明顯呈現正相關,貨幣供給增加亦是促成泡沫化的因素。 此外,對於房地產學界一直關注的議題,即房地產景氣預測及房地產價格的推估,本文亦利用貝式分析的技巧適度修補了現階段實證研究遭遇的困難。對房地產景氣的推估而言,加入事前訊息後的馬可夫轉換模型,在掌握房地產景氣擴短縮長的特性有顯著的改善,同時樣本外的預測亦說明其優越之處。在房地產估價方面,貝式多層次模型在面對較少樣本下的估價亦展現優越之處,特別是房價波動較大的期間,在不同樣本數目下,貝式多層式估計的精確度皆明顯優於傳統的特徵價格估計法。
2

臺灣50指數期貨與基金上市後臺灣期貨與現貨市場之分析 / The Analysis of Taiwan Futures and Spot Markets after Taiwan 50 Futures and Taiwan Top50 Tracker Fund Trading

洪文琪, Hung, WenChi Unknown Date (has links)
本文係針對臺灣50指數期貨與基金於2003年6月30日上市之後,臺灣期貨及現貨市場報酬率間領先落後關係與波動性的變化來進行探討。研究分為兩部份,第一部份是觀察臺灣50指數期貨與現貨之間的關聯性,並探討臺灣加權股價指數、金融保險類股股價指數及電子類股股價指數期貨與現貨市場間的變化;第二部份是採用可模擬現貨走勢的臺灣50指數基金、國泰金及臺積電的股價來做為現貨的替代變數,觀察其與期貨之間的關連性是否與第一部份的結果類似,若是實證結果極為相同,則相關機構與一般投資人將可運用各期貨與其標的指數中市值最大的股票來進行套利操作。此外,本文在進行模型估計時,首度採用一階段估計法,來聯合估計雙變量GARCH模型中的條件平均數方程式與條件變異數方程式,以避免過去相關文獻將兩條方程式個別估計時所造成的估計誤差。 實證結果所獲得的重要結論如下:首先,臺灣期貨市場的發展仍未趨成熟,並不具有價格發現的功能,在考慮風險溢酬方面,僅有臺灣50指數期貨與現貨的投資人會在報酬率之外,額外要求用以補償的風險溢酬,再者,臺灣50指數期貨與基金的上市,並沒有對臺灣現有的期貨與現貨市場造成顯著的影響,然而,替代變數並不能完全取代現貨指數,但相較之下,國泰金在臺灣50指數期貨與基金上市之後的那段期間模擬成效最好。 / This paper investigates the change of lead-lag relationship in returns and volatilities in Taiwan futures and spot markets after the introduction of Taiwan 50 Futures and Taiwan Top50 Tracker Fund (TTT) on June 30, 2003. The study divides into two parts. The first part examines the relationship between Taiwan 50 Futures and spot markets, and also discusses the change of Taiwan Stock Exchange Capitalization Weighted Stock Index, Taiwan Stock Exchange Banking and Insurance Sector Index, and Taiwan Stock Exchange Electronic Sector Index in futures and spot markets. Another part uses the stock price of TTT, Cathay Financial Holding Company and Taiwan Semiconductor Manufacturing Company as the substitutive variables of spot index and goes a step further to examine the relationships between them and futures individually. Additionally, this research used One-Pass Method for first time to estimate jointly the conditional mean equation and conditional variance equation of Bivariate GARCH Model to avoid estimating error in previous relative studies with Two-Pass Method. The major empirical results are as follows: first, the development of Taiwan futures market is incomplete. The futures market does not play the price discovery role to the spot market. Second, under the consideration of risk premium, only investors in Taiwan 50 Futures and spot markets would ask for compensated risk premium excepting returns. Third, the opening of Taiwan 50 Futures and TTT does not influence significantly Taiwan futures and spot markets. Last but not least, these substitutive variables can not replace spot index perfectly. However, comparing with others, the stock price of Cathay Financial Holding Company is the very model of Taiwan Stock Exchange Banking and Insurance Sector Index after the introduction of Taiwan 50 Futures and TTT.

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