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Seng Heng Bank - Center for Investment and Risk
                     Analytics

           誠興銀行 - 投資及風險研究中心


投資新思維      


                          刊登日期 :2009年3月30日(市民日報)


          作者為誠興銀行投資及風險研究中心分析員黃碩東

             量化寬鬆對各資產及經濟之影響


新量化寬鬆措施

美國聯邦儲備局於3月19日宣佈將會購買近1.2萬億美元的債務,以幫助提高貸款和
促進經濟復甦。美國聯邦儲備委員會表示,希望這些措施將提高抵押貸款和住房市
場的降低利率的抵押貸款和其他形式的消費信貸。最大的意外是,在未來6個月美聯
儲宣布將購買多達3000億美元價值的美國政府債券,此外也將會額外買入7500億美
元之按揭抵押證券及1000億美元由房利美及房太美等政府資助機構之債務,以支持的
抵押貸款市場.



為何量化寬鬆

傳統的貨幣寬鬆政策是透過降息的方式,讓商業銀行可以用較低的利率從央行借錢,
使銀行對企業或一般大眾能以較低的成本放款,以刺激一般消費和企業投資。但於
去年12月16日聯邦儲備局已經把聯儲局基準利率調低至0.25厘.降息政策已經無法
發揮應有之刺激經濟效果.此時,中央銀行可以利用一些非傳統措施,例如買進國
債等方式來大量對銀行體系及金融市場注入資金,即稱為〔量化寬鬆,Quantitative
Easing〕.事實上,在此之前聯邦儲備局已經宣佈將會買進5000億美元之按揭抵押
證券,所以量化寬鬆其實一直已經在進行中.聯儲局一向希望可以不需要納入購買
國債為主要措施.今次宣佈購買多達3000億美元之國債實為令市場驚訝,証明了聯
Seng Heng Bank - Center for Investment and Risk
                     Analytics

           誠興銀行 - 投資及風險研究中心


儲局對恢復美國經濟之決心.從聯儲局以下之聲明可見一班:〔在這種情況下,聯
儲局將採用一切可用的工具,以促進經濟復甦和保持物價穩定〕



量化寬鬆之目的

這項政策主要有四個目的:(1)增加銀行的可貸資金及貸款能力。(2)確實降低民眾及
企業的貸款成本。(3)增加貨幣供給,以刺激景氣復甦。(4)預防通貨緊縮的發生。




量化寬鬆對各資產及經濟之影響



國債及企業債券

在此之前,由於聯儲局只是購入按揭抵押證券及資產抵押證券,使得推低利率之成
效有限.但自公佈新措施後.債息便大幅下跌.10年期美國國債收益率(yield)
下跌47點子至2.53厘.為自1987年華爾街股災後之單日最大跌幅.政府
資助機構如房利美及房太美之債價也大幅上升.由於聯儲局之購入,預期長期國債
收益率將會維持在低水平.但從圖一可見,債息自公佈當日下跌至 2.53 厘後,便連升
多個交易日,最新佈 2.76厘, 若這勢頭持續,這次量化寬鬆的政策便會成疑.
Seng Heng Bank - Center for Investment and Risk
                           Analytics

                 誠興銀行 - 投資及風險研究中心

                          美國十年期債息(圖一)
 4.5




     4




 3.5




     3




 2.5




     2
         08



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           8



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           8

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           9
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12 /08

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         0
        /0



        /0

        /0



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        /0

        /0



        /0




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         0
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    12




    25
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    29



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    15

    29

   12

    26



   23

     /7



    /4



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    13

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   10

    24
      6
  1/




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  9/




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  /1

  /3
 5/




美國經濟

由於大部分企業及房屋抵押貸款是與美國長期息率直接掛鉤的.現時長債息率大幅
下降,個人及企業之利息支出得以減少.在企業而言,企業融資成本將降低,有助
減少裁員數量以穩定就業市場.在個人而言,息率下降有助業主供款,從而穩定房
屋市場,減少房屋斷供,提高個人消費.對銀行來說,債券價格回升將令其資產回
升,房屋斷供減少可令銀行之壞脹減低.銀行的資產負債表因而得以增強,屆時銀
行貸款之意願將隨之然上升,低廉且充沛的資金可有效帶動經濟回復增長。所以說
債息降低對整個經濟有着連繫的正面反應.而全球股市在方案公佈後反應也十分良
好.
Seng Heng Bank - Center for Investment and Risk
                             Analytics

                                誠興銀行 - 投資及風險研究中心

                                                       標準普爾500指數(圖二)
 1000



  950



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  850



  800



  750



  700



  650



  600
                            9
      09




                 09




                                         9




                                                 9




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中國及全球經濟

若聯儲局這次量化寬鬆措施真的能使長期息率持續回落,對美國經濟實是正面,而
對中國及全球而言,美國不竟佔全球GDP超過20%,加上是全球最大之消費市場.
美國經濟好轉有助全球貿易回復正常



滙率

在聯儲局宣佈量化寬鬆措施後,美滙對各貨幣大幅下跌.美滙指數錄得自1971
年以來之單日最大跌幅,下挫2.7%,對歐羅下挫3.4%,對日圓下挫2.4%,而對人
民幣則沒有變動.聯儲局擴大其資產負債表之決定令投資者擔心大幅增加之貨幣供
應會使未來通脹升溫及財赤問題,從而大量賣出美元.但正如美聯儲一樣, 歐洲央
行可能也宣佈大規模之量化寬鬆措施,匯率是一個相對概念,所以美元可能並不會
如大家預期般大幅貶值.而事實上,美滙指數現時之價格已經比當日之價為高.
Seng Heng Bank - Center for Investment and Risk
                                          Analytics

                                                                          誠興銀行 - 投資及風險研究中心




                                                                                                                                               美滙指數(圖三)

95




90




85




80




75




70
                                                                                                                                                                                                                                      11/18/08
     1/1/08



                        1/29/08



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                                                                                                                                                                                                                                                                                           1/27/09




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                                                                                                                                                                                                                                                                                                                                   3/24/09
美國通脹

在一般的經濟衰退中,當經濟真的復甦之時,過多的貨幣供給才會造成通脹壓力,
未來聯儲局必須要以非常快的速度收回超額的貨幣供給,才能防止通貨膨脹的發生.
但由於今次之經濟衰退是由過往20多年之信貸泡沫之後果,市場正在去掉大量過
多之槓桿,相信經濟復甦時之槓桿水平也不會如以往般多,所以通脹也不是必然會
從臨.短期來說,由於經濟還是處於負增長階段,而且民眾對未來經濟看法仍然悲
觀,故通脹短期大幅上升之機率不大.

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  • 1. Seng Heng Bank - Center for Investment and Risk Analytics 誠興銀行 - 投資及風險研究中心 投資新思維       刊登日期 :2009年3月30日(市民日報) 作者為誠興銀行投資及風險研究中心分析員黃碩東 量化寬鬆對各資產及經濟之影響 新量化寬鬆措施 美國聯邦儲備局於3月19日宣佈將會購買近1.2萬億美元的債務,以幫助提高貸款和 促進經濟復甦。美國聯邦儲備委員會表示,希望這些措施將提高抵押貸款和住房市 場的降低利率的抵押貸款和其他形式的消費信貸。最大的意外是,在未來6個月美聯 儲宣布將購買多達3000億美元價值的美國政府債券,此外也將會額外買入7500億美 元之按揭抵押證券及1000億美元由房利美及房太美等政府資助機構之債務,以支持的 抵押貸款市場. 為何量化寬鬆 傳統的貨幣寬鬆政策是透過降息的方式,讓商業銀行可以用較低的利率從央行借錢, 使銀行對企業或一般大眾能以較低的成本放款,以刺激一般消費和企業投資。但於 去年12月16日聯邦儲備局已經把聯儲局基準利率調低至0.25厘.降息政策已經無法 發揮應有之刺激經濟效果.此時,中央銀行可以利用一些非傳統措施,例如買進國 債等方式來大量對銀行體系及金融市場注入資金,即稱為〔量化寬鬆,Quantitative Easing〕.事實上,在此之前聯邦儲備局已經宣佈將會買進5000億美元之按揭抵押 證券,所以量化寬鬆其實一直已經在進行中.聯儲局一向希望可以不需要納入購買 國債為主要措施.今次宣佈購買多達3000億美元之國債實為令市場驚訝,証明了聯
  • 2. Seng Heng Bank - Center for Investment and Risk Analytics 誠興銀行 - 投資及風險研究中心 儲局對恢復美國經濟之決心.從聯儲局以下之聲明可見一班:〔在這種情況下,聯 儲局將採用一切可用的工具,以促進經濟復甦和保持物價穩定〕 量化寬鬆之目的 這項政策主要有四個目的:(1)增加銀行的可貸資金及貸款能力。(2)確實降低民眾及 企業的貸款成本。(3)增加貨幣供給,以刺激景氣復甦。(4)預防通貨緊縮的發生。 量化寬鬆對各資產及經濟之影響 國債及企業債券 在此之前,由於聯儲局只是購入按揭抵押證券及資產抵押證券,使得推低利率之成 效有限.但自公佈新措施後.債息便大幅下跌.10年期美國國債收益率(yield) 下跌47點子至2.53厘.為自1987年華爾街股災後之單日最大跌幅.政府 資助機構如房利美及房太美之債價也大幅上升.由於聯儲局之購入,預期長期國債 收益率將會維持在低水平.但從圖一可見,債息自公佈當日下跌至 2.53 厘後,便連升 多個交易日,最新佈 2.76厘, 若這勢頭持續,這次量化寬鬆的政策便會成疑.
  • 3. Seng Heng Bank - Center for Investment and Risk Analytics 誠興銀行 - 投資及風險研究中心 美國十年期債息(圖一) 4.5 4 3.5 3 2.5 2 08 6/ 8 1/ 8 2/ 8 2/ 8 3/ 8 3/ 8 8 8 8 8 7/ 8 7/ 8 8/ 8 8 10 8 10 /08 11 /08 12 /08 1/ 9 3/ 9 9 1/ 8 4/ 8 9/ 8 8/ 8 2/ 9 2/ 9 3/ 9 11 8 12 8 12 /08 1/ 8 0 /0 /0 /0 /0 /0 /0 /0 /0 /0 /0 /0 0 0 /0 /0 /0 0 0 /0 /0 /0 /0 /0 /0 0 0 0 1/ 1/ 8/ 6/ 3/ 1/ 9/ 8/ 0/ 12 25 15 29 26 11 22 20 17 15 29 12 26 23 /7 /4 /2 13 27 10 24 10 24 6 1/ 4/ 5/ 6/ 7/ 9/ /2 /1 /1 /3 5/ 美國經濟 由於大部分企業及房屋抵押貸款是與美國長期息率直接掛鉤的.現時長債息率大幅 下降,個人及企業之利息支出得以減少.在企業而言,企業融資成本將降低,有助 減少裁員數量以穩定就業市場.在個人而言,息率下降有助業主供款,從而穩定房 屋市場,減少房屋斷供,提高個人消費.對銀行來說,債券價格回升將令其資產回 升,房屋斷供減少可令銀行之壞脹減低.銀行的資產負債表因而得以增強,屆時銀 行貸款之意願將隨之然上升,低廉且充沛的資金可有效帶動經濟回復增長。所以說 債息降低對整個經濟有着連繫的正面反應.而全球股市在方案公佈後反應也十分良 好.
  • 4. Seng Heng Bank - Center for Investment and Risk Analytics 誠興銀行 - 投資及風險研究中心 標準普爾500指數(圖二) 1000 950 900 850 800 750 700 650 600 9 09 09 9 9 09 9 9 9 09 9 9 9 /0 /0 /0 /0 /0 /0 /0 /0 /0 5/ 5/ 1/ 8/ 15 29 12 12 19 26 22 19 26 2/ 3/ 1/ 1/ 1/ 1/ 2/ 3/ 3/ 3/ 1/ 2/ 2/ 中國及全球經濟 若聯儲局這次量化寬鬆措施真的能使長期息率持續回落,對美國經濟實是正面,而 對中國及全球而言,美國不竟佔全球GDP超過20%,加上是全球最大之消費市場. 美國經濟好轉有助全球貿易回復正常 滙率 在聯儲局宣佈量化寬鬆措施後,美滙對各貨幣大幅下跌.美滙指數錄得自1971 年以來之單日最大跌幅,下挫2.7%,對歐羅下挫3.4%,對日圓下挫2.4%,而對人 民幣則沒有變動.聯儲局擴大其資產負債表之決定令投資者擔心大幅增加之貨幣供 應會使未來通脹升溫及財赤問題,從而大量賣出美元.但正如美聯儲一樣, 歐洲央 行可能也宣佈大規模之量化寬鬆措施,匯率是一個相對概念,所以美元可能並不會 如大家預期般大幅貶值.而事實上,美滙指數現時之價格已經比當日之價為高.
  • 5. Seng Heng Bank - Center for Investment and Risk Analytics 誠興銀行 - 投資及風險研究中心 美滙指數(圖三) 95 90 85 80 75 70 11/18/08 1/1/08 1/29/08 2/26/08 3/11/08 4/8/08 5/6/08 6/3/08 6/17/08 7/1/08 7/15/08 8/12/08 8/26/08 9/9/08 9/23/08 10/21/08 12/2/08 12/16/08 12/30/08 1/27/09 3/10/09 1/15/08 2/12/08 3/25/08 4/22/08 5/20/08 7/29/08 10/7/08 11/4/08 1/13/09 2/10/09 2/24/09 3/24/09 美國通脹 在一般的經濟衰退中,當經濟真的復甦之時,過多的貨幣供給才會造成通脹壓力, 未來聯儲局必須要以非常快的速度收回超額的貨幣供給,才能防止通貨膨脹的發生. 但由於今次之經濟衰退是由過往20多年之信貸泡沫之後果,市場正在去掉大量過 多之槓桿,相信經濟復甦時之槓桿水平也不會如以往般多,所以通脹也不是必然會 從臨.短期來說,由於經濟還是處於負增長階段,而且民眾對未來經濟看法仍然悲 觀,故通脹短期大幅上升之機率不大.