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1、Parity Conditions in International Finance and Currency ForecastingChapter 41股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！國際金融平價條件與外匯預測n4.1 套利與單一價格法則 n4.2 購買力平價說 n4.3 費雪效果 n4.4 國際費雪效果 n4.5 利率平價理論 n4.6 遠期匯率與未來即期匯率的關係 2股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！ARBITRAGE(套利)AND THE LAW OF ONE PRICE(單一價格法則)Five Parity C
2、onditions Result From Arbitrage Activities1.Purchasing Power Parity(PPP)2.The Fisher Effect(FE)3.The International Fisher Effect(IFE)4.Interest Rate Parity(IRP)5.Unbiased Forward Rate(UFR)3股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！PART I.ARBITRAGE(套利)AND THE LAW OF ONE PRICE(單一價格法則)I.THE LAW OF ONE PRICEA.
3、Law states:Identical goods sell for the same price worldwide.B.Theoretical basis:If the price after exchange-rate adjustment were not equal,arbitrage in the goods worldwide ensures eventually it will.4股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！套利與單一價格法則n套利(arbitrage)n在不同的市場，同時買、賣相同的資產或商品以賺取其價差。n單一價格法則：n單一價格
4、法則是說全球可交易的相同的商品及資產，經匯率調整後的價格，必須是相等的，頂多只差交易成本。5股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！ARBITRAGE(套利)AND THE LAW OF ONE PRICE(單一價格法則)C.Five Parity Conditions Linked byThe adjustment of rates and prices to inflation6股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！圖表圖表 4.1 即期匯率、遠期匯率、通貨膨脹率及利率間的五種理論上的重要關係即期匯率、遠期匯率、通貨膨脹率及利率
5、間的五種理論上的重要關係7股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！ARBITRAGE AND THE LAW OF ONE PRICED.Inflation and home currency depreciation are:1.Jointly determined by the growth of domestic money supply(Ms)and2.Relative to the growth ofdomestic money demand.8股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！五大平價條件n共同起源：n各種比率及價格
6、對通貨膨脹的調整。根據現代貨幣理論，通貨膨脹乃是貨幣供給擴張超過實質產出成長的必然結果。n貨幣中立性：n貨幣供給成長、通貨膨脹率、利率和匯率，這些都可透過套利而連結在一起。n通貨膨脹n通貨膨脹與貨幣貶值會一同受到國內貨幣供給成長相對於需求成長的影響。9股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！PART II.PURCHASING POWER PARITYI.THE THEORY OF PURCHASINGPOWER PARITY(購買力平價說)states that spot exchange rates between currencies will change
7、 to the differential in inflation rates betweencountries.10股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！PURCHASING POWER PARITYII.RELATIVE PURCHASING POWER PARITY(相對版的購買力平價說)A.states that the exchange rate of one currency against another will adjust to reflect changes in the price levels of the two countries.
8、11股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！絕對版的購買力平價說n主張：n一單位本國貨幣(HC)在全世界應有相同的購買力。n範例：大麥克指數(Big Mac Index)n假設：n自由貿易將使任一商品在所有國家的價格均相等，否則將存在套利機會）。n缺點：n忽視運輸成本、關稅、配額與其他限制對自由貿易的影響，也忽略了產品的差異化。12股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！相對版的購買力平價說n主張：n本國貨幣與外幣的交換比率會調整到足以反映兩國價格水準的改變。其中購買力平價匯率（PPP匯率；PPP rate）。e0是期初一單位外幣的美
9、元價值 如果ih與if分別是本國與外國的通貨膨脹率(4.2)式式(4.3)式式13股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！PURCHASING POWER PARITY1.In mathematical terms:et=(1+ih)te0 (1+if)twhere et=future spot rate e0=spot rate ih=home inflation if=foreign inflation t=time period14股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！PURCHASING POWER PARITY2.If p
10、urchasing power parity is expected to hold,then the bestprediction for the one-periodspot rate should beet=e0(1+ih)t (1+if)t15股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！PURCHASING POWER PARITY3.A more simplified but less preciserelationship iset-e0 =ih-if e0that is,the percentage change should be approximat
11、ely equal tothe inflation rate differential.16股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！PURCHASING POWER PARITY4.PPP says the currency with the higher inflation rate is expected to depreciate relative to the currency with the lower rate of inflation.17股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！購買力平價說 1/2n近似計算：n意義：
12、n匯率於某一期間的改變，應等於同一期間的通膨差。n高通貨膨脹率的貨幣應相對於低通貨膨脹率的貨幣貶值。(4.4)式式18股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！圖表圖表 4.3 購買力平價說購買力平價說19股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！購買力的平價說 1/3n意涵：n匯率的變動應只是在抵銷外國價格水準相對本國價格水準的變動。不會對本國廠商與其外國競爭者的相對競爭地位帶來任何影響才是。n名目匯率（nominal exchange rate，亦即實際匯率，actual exchange rate）的改變，在決定幣值變動對一公司與一
13、國家的真正影響時，可能並不重要。n只有實質匯率的改變才足以影響國內企業與其海外競爭者的相對競爭地位。20股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！購買力的平價說 2/3n實質匯率：n實證結果：n在長期能成立，但在短期內則否。(4.6)式式21股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！Sample ProblemnProjected inflation rates for the U.S.and Germany for the next twelve months are 10%and 4%,respectively.If the curr
14、ent exchange rate is$.50/dm,what should the future spot rate be at the end of next twelve months?22股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！PART III.THE FISHER EFFECT費雪效果 I.THE FISHER EFFECTstates that nominal interest rates(r)are a function of the real interest rate(a)and a premium(i)for inflation expect
15、ations.r =a +i23股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！費雪效果 1/2 n名目利率(r)乃由下列兩部分所構成：(1)實質的必要報酬率(a)，及(2)通貨膨脹溢酬(等於預期通貨膨脹率i)。n1+名目利率=(1+實質利率)(1+預期通貨膨脹率)n1+r=(1+a)(1+i)或r=a+i+ain近似表示法r=a+i24股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！費雪效果 2/2 n透過各國間的套利活動，實質報酬應趨於相等。n在無政府干預下的均衡狀態，將遵循名目利率差異(interest rate differential)近似
16、於預期的通貨膨脹率的差異nrhrf=ihif n具有高通貨膨脹率的貨幣應較具有低通貨膨脹率的貨幣承擔高的利率。25股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！實質利率差異 1/2n許多觀察家相信在日漸國際化的資本市場內，重大的實質利率差異不太可能長期存在。n資本市場整合(capital market integration)意指實質利率是由資金的全球供需所決定。n資本市場區隔(capital market segmentation)恰恰相反，後者主張實質利率是由當地借貸條件所決定。26股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！實質利率差異
17、2/2n實證結果：n實質利率差異是有可能存在的，而且沒被套利而消失。n各國的實質利率有收斂的趨勢。n實質利率差異可源自於各國採行截然不同的稅制或對資金自由流動強加規定限制。27股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！PART IV.THE INTERNATIONAL FISHER EFFECT國際費雪效果 A.Real Rates of Interest1.Should tend toward equality everywhere through arbitrage.2.With no government interference nominal rates
18、vary by inflation differential orrh -rf =ih -if28股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！THE INTERNATIONAL FISHER EFFECTB.According to the IFE,countries with higher inflation rates have higher interest rates.C.Due to capital market integration globally,interest rate differentials are eroding.29股票配资软件，189
19、50897888。外汇喊单网，职业操盘手带你赚钱！THE INTERNATIONAL FISHER EFFECTI.IFE STATES:A.the spot rate adjusts to the interest rate differential between two countries.B.IFE =PPP+FEet=(1+rh)t e0 (1+rf)t30股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！THE INTERNATIONAL FISHER EFFECTB.Fisher postulated:1.The nominal interest rate d
20、ifferential should reflect the inflation rate differential.2.Expected rates of return are equal in the absence of government intervention.31股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！THE INTERNATIONAL FISHER EFFECTC.Simplified IFE equation:rh -rf =et -e0e0 32股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！THE INTERNATIO
21、NAL FISHER EFFECTD.Implications if IFE1.Currency with the lower interest rate expected to appreciate relative to onewith a higher rate.2.Financial market arbitrage:insures interest rate differentialis an unbiased predictor of change in future spot rate.33股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！圖表圖表 4.10
22、國際費雪效果國際費雪效果34股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！The International Fisher EffectIf the/$spot rate is 108/$and the interest rates in Tokyo and New York are 6%and 12%,respectively,what is the future spot rate two years from now?35股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！PART V.INTEREST RATE PARITY THEORY利率平
23、價理論 I.INTRODUCTIONA.The Theory states:the forward rate(F)differs from the spot rate(S)at equilibrium by an amount equal to the interest differential(rh-rf)between two countries.36股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！INTEREST RATE PARITY THEORY2.The forward premium ordiscount equals the interestrate di
24、fferential.F-S/S =(rh-rf)where rh =the home rate rf =the foreign rate37股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！INTEREST RATE PARITY THEORY3.In equilibrium,returns oncurrencies will be the samei.e.No profit will be realizedand interest parity existswhich can be written(1 +rh)=F(1 +rf)S38股票配资软件，18950897888
25、。外汇喊单网，职业操盘手带你赚钱！INTEREST RATE PARITY THEORYB.Covered Interest Arbitrage1.Conditions required:interest rate differential does not equal the forward premium or discount.2.Funds will move to a countrywith a more attractive rate.39股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！INTEREST RATE PARITY THEORY3.Market p
26、ressures develop:a.As one currency is moredemanded spot and soldforward.b.Inflow of funds depressesinterest rates.c.Parity is eventually reached.40股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！INTEREST RATE PARITYIf the Swiss franc is$.68/SF on the spot market and the annualized interest rates in the U.S.and S
27、witzerland,respectively,are 7.94%and 2%,what is the 180 day forward rate under parity conditions?41股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！INTEREST RATE PARITY THEORYC.Summary:Interest Rate Parity states:1.Higher interest rates on a currency offset by forwarddiscounts.2.Lower interest rates are offsetby
28、forward premiums.42股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！PART VI.THE RELATIONSHIP BETWEEN THE FORWARD AND THE FUTURE SPOT RATE遠期匯率與未來即期匯率I.THE UNBIASED FORWARD RATE(UFR)A.States that if the forward rate isunbiased,then it should reflect the expected future spot rate.B.Stated asft =E(et+1)43股票配资软件，18950897888。外汇喊单网，职业操盘手带你赚钱！