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【正文】 濟(jì)在充分就業(yè)的水平運(yùn)行。LM曲線(xiàn)這三個(gè)區(qū)域分別被稱(chēng)為凱恩斯區(qū)域、中間區(qū)域和古典區(qū)域。凱恩斯認(rèn)為,資本邊際效率隨投資增加而遞減,在短期內(nèi)主要由于資本物成本上升,在長(zhǎng)時(shí)期內(nèi)主要在于資本存量的大量積累,資本存量的大量積累意味著其稀缺性日益減少,從而借貸資本的利息率趨近于零。兩條曲線(xiàn)的交點(diǎn)即為均衡點(diǎn)。LM曲線(xiàn)上的任何一點(diǎn)都是貨幣市場(chǎng)的均衡,即貨幣供給=貨幣需求,貨幣市場(chǎng)均衡方程為。IS曲線(xiàn)上的任何一點(diǎn)都是商品市場(chǎng)的均衡,即投資=儲(chǔ)蓄,產(chǎn)品市場(chǎng)均衡方程為。價(jià)格水平越高,需求總量越小,價(jià)格水平越低,需求總量越大。? 在封閉經(jīng)濟(jì)條件下,投資增加,國(guó)民收入增加的倍數(shù),即投資乘數(shù)為kiT=ki=11b(1t),而在四部經(jīng)濟(jì)(開(kāi)放經(jīng)濟(jì))條件下的投資乘數(shù)為量),其中=11b(1t)+g(表示每增加1元投資帶來(lái)的國(guó)民收入的增加g為投資的邊際進(jìn)口傾向。結(jié)果是:改變政府購(gòu)買(mǎi)支出水平對(duì)宏觀經(jīng)濟(jì)活動(dòng)的效果大于改變稅收的效果,改變政府購(gòu)買(mǎi)支出水平是財(cái)政政策中最有效的手段。由于總生產(chǎn)或者說(shuō)總收入由總支出即總需求決定,因此,減稅1元對(duì)收入變化的影響沒(méi)有增加政府購(gòu)買(mǎi)支出1元對(duì)收入的影響大。但是,減稅1元,只會(huì)使可支配收入增加1元,這1元中只有一部分用于增加消費(fèi)(),另一部分用來(lái)增加儲(chǔ)蓄()。?當(dāng)政府征收定額稅和比例稅時(shí),設(shè)比例稅的稅率為t,邊際消費(fèi)傾向?yàn)閎,則政府購(gòu)買(mǎi)支出乘數(shù)為kb=k11b(1t)b1b(1t),即每增加一元的政府購(gòu)買(mǎi)支出帶來(lái)的國(guó)民收入的增量,而稅收乘數(shù)為。MPC總是大于0小于1,因?yàn)橐话闱闆r下,消費(fèi)者增加收入后,既不會(huì)完全不增加消費(fèi),也不會(huì)把增加的收入全部用于消費(fèi),通常一部分用于增加消費(fèi),另一部分用于儲(chǔ)蓄。凱恩斯消費(fèi)理論認(rèn)為消費(fèi)支出取決于收入的絕對(duì)水平,隨著收入的增加而增加,但消費(fèi)的增加不及收入增加的多。GDP價(jià)格矯正指數(shù)衡量了和某一基年相比,報(bào)告期各產(chǎn)品的價(jià)格平均變化的幅度。產(chǎn)品的價(jià)格變化是經(jīng)常發(fā)生的,在這樣的情況下,直接用名義GDP指標(biāo)比較各年的總產(chǎn)出水平,勢(shì)必包含虛假的信息,因?yàn)榭偖a(chǎn)出的變化可能是由價(jià)格變化的因素引起的,因此為了準(zhǔn)確地比較各年的總產(chǎn)出水平,就必須剔除GDP統(tǒng)計(jì)中價(jià)格因素的影響。?名義GDP,是指按產(chǎn)品和勞務(wù)的當(dāng)年銷(xiāo)售價(jià)格計(jì)算的全部最終產(chǎn)品的市場(chǎng)價(jià)值。分析宏觀經(jīng)濟(jì)均衡時(shí)所講的投資要等于儲(chǔ)蓄,是指只有計(jì)劃投資等于計(jì)劃儲(chǔ)蓄時(shí),才能形成經(jīng)濟(jì)的均衡狀態(tài)。但這一恒等式并不意味著人們意愿的或者說(shuō)事前計(jì)劃的儲(chǔ)蓄總會(huì)企業(yè)想要有的投資。這重恒等關(guān)系就是兩部門(mén)經(jīng)濟(jì)的總供給(C + S)和總需求(C + I)的恒等關(guān)系。?在國(guó)民收入核算體系中,存在的儲(chǔ)蓄投資恒等式完全是根據(jù)儲(chǔ)蓄和投資的定義得出的。:在生產(chǎn)過(guò)程中由于難以避免的摩擦而造成的短期、局部性失業(yè)。:在信用貨幣制度下,流通中的貨幣超過(guò)經(jīng)濟(jì)所需要的數(shù)量而引起的貨幣貶值和價(jià)格水平全面,持續(xù)上漲的經(jīng)濟(jì)現(xiàn)象。:中央銀行在金融市場(chǎng)上公開(kāi)買(mǎi)賣(mài)政府債券以控制貨幣供給和利率的政策行為。:按法定準(zhǔn)備率提取的準(zhǔn)備金。:名義的GDP和實(shí)際的GDP的比率。:經(jīng)濟(jì)系統(tǒng)本身存在的一種會(huì)減少各種干對(duì)國(guó)民收入沖擊的機(jī)制,能夠在經(jīng)濟(jì)繁榮時(shí)期自動(dòng)抑制通脹,在經(jīng)濟(jì)衰退時(shí)期自動(dòng)減輕蕭條,無(wú)須政府采取任何行動(dòng)。:假定生產(chǎn)要素的供給為既定的條件下對(duì)總需求的調(diào)整和控制。:中央銀行通過(guò)控制貨幣供應(yīng)量以及通過(guò)貨幣供給量來(lái)調(diào)節(jié)利率進(jìn)而影響投資和整個(gè)經(jīng)濟(jì)以達(dá)到一定經(jīng)濟(jì)目標(biāo)的行為。它是一條位于經(jīng)濟(jì)的潛在產(chǎn)量或充分就業(yè)產(chǎn)量水平上的垂直線(xiàn)。:人們不是對(duì)貨幣的實(shí)際價(jià)值作出反應(yīng),而是對(duì)用貨幣來(lái)表示的名義價(jià)值作出反應(yīng)。人們不管有多少貨幣都愿意持在手中,這種情況稱(chēng)為“凱恩斯陷阱”或“流動(dòng)偏好陷阱”。這條曲線(xiàn)上任何一點(diǎn)都代表一定的利率和收入的組合,在這些組合下,投資和儲(chǔ)蓄都是相等的,即I=S,從而產(chǎn)品市場(chǎng)是均衡的,因此這條曲線(xiàn)成為IS曲線(xiàn)。實(shí)際GDP:用從前某一年作為基期價(jià)格計(jì)算出來(lái)的全部在最終產(chǎn)品的市場(chǎng)價(jià)值。它是政府為了達(dá)到一定的經(jīng)濟(jì)目的而對(duì)經(jīng)濟(jì)活動(dòng)有意識(shí)的干預(yù)。:勞動(dòng)力的供給和需求不匹配所造成的失業(yè),其特點(diǎn)是既有失業(yè),又有職位空缺,失業(yè)者或者沒(méi)有合適的技能,或者居住地點(diǎn)不當(dāng),因此無(wú)法填補(bǔ)現(xiàn)有的職位空缺。:工資率不能隨勞動(dòng)供求的變動(dòng)而及時(shí)而迅速的變動(dòng)。:經(jīng)濟(jì)社會(huì)對(duì)產(chǎn)品和勞務(wù)的需求總量,這一需求總量通常以產(chǎn)出水平來(lái)表示?!究床欢??更多問(wèn)題請(qǐng)掃描二維碼咨詢(xún)?cè)诰€(xiàn)備考顧問(wèn)】第三篇:宏觀經(jīng)濟(jì)學(xué)知識(shí)點(diǎn)總結(jié):任一收入水平上消費(fèi)支出在收入中的比率。三立教育采取免費(fèi)為學(xué)生定制課程的制度,根據(jù)學(xué)生水平定制相應(yīng)的課程,讓家長(zhǎng)用最少的錢(qián)享受最優(yōu)質(zhì)的課程。很多學(xué)員參加了培訓(xùn)課程后,短時(shí)間內(nèi)都實(shí)現(xiàn)了快速提分。不同水平的學(xué)員可以根據(jù)自身?xiàng)l件選擇適合自己的課程。一般課程都是有基礎(chǔ)班和強(qiáng)化班兩種課程,不同的課程價(jià)位是不同的,要根據(jù)學(xué)生的水平看是否符合各階段課時(shí)的分配情況。三立在線(xiàn)教育師資水平如何?,大部分為名校海歸或有多年海外工作生活經(jīng)驗(yàn)的學(xué)者,有的則是有多年教學(xué)經(jīng)驗(yàn)的外語(yǔ)專(zhuān)家。家長(zhǎng)選擇培訓(xùn)學(xué)校時(shí)選擇價(jià)錢(qián)低的學(xué)校是毋庸置疑的,除了價(jià)錢(qián)本身之外,還要考慮以下幾點(diǎn):一、師資水平的高低影響學(xué)員的成績(jī)考慮價(jià)錢(qián)的同時(shí),要對(duì)比兩個(gè)學(xué)校的師資,優(yōu)先選擇歷史悠久的培訓(xùn)學(xué)校,該類(lèi)學(xué)校的教師往往經(jīng)驗(yàn)豐富。if AD does not change, it is rate determinationshort run: if Fed takes expansionary policy—MS increases—saving shifts to the right—lower interest ratelong run: if Fed takes expansionary policy—MD increases—saving shifts back—interest rate back to former oneAll formulas for calculation policy:(a)spending multiplier=1/MPS=1/(1MPC)(b)Tax multiplier=MPC/MPS(c)Balance multiplier=spending multiplier+ tax multiplier=1:(a)change in money supply: 1/RR*BP(bond)(b)New loans: 1/RR*BPBP(c)Reserves: BP deposit:(a)change in money supply:1/RR*DD(deposit money)DD (b)Demand deposit: 1/RR*DD(c)Loans: 1/RR*DDDD(d)Reserves: DDInternational tradeCurrent account: account of physical counts as positive and import counts as account: account of other countries invest in your country it is account +current account=0Exchange rate: price of other it takes more foreign currency to but the same amount of your currency, your currency is , it is of demand and supply of currency: an increase in interest rate will increase the demand of a currency and increase the supply of other your currency is of exchange rate on imports and exports: currency appreciates is good for import and bad for of one price(inflation and exchange rate): increase in inflation will decrease the purchasing power of to law of one price, price everywhere will be the same if transaction cost is this currency will Fixed exchange rate: means nominal exchange rate stays the same all the your country undergoes inflation while holding the exchange rate the same, its currency is actually Technology advance is the basic factor that affects long run : capital is the equipment used to produce other capital means higher labor productivity(this is showed in the labor productivity section in microeconomics).Human capital: the skill and education a labor human capital can be obtained by training and has diminishing marginal return as a change from nonliteracy to literacy has greater effect than a change from an undergraduate to a ?這個(gè)問(wèn)題是學(xué)生和家長(zhǎng)在考慮培訓(xùn)學(xué)校時(shí)主要考慮的問(wèn)題。Inflation通貨膨脹 inflation: an increase in the overall price level=decrease of purchase power of currencywhen increasing money supply, real wealth shifts to money makerMoney neutrality: a pone time change in money supply will have no real effect in the long leather costs: the effort made to decrease the effect of withdrawing money to purchase real costs: cause of price is cost to change price so pany will not change price immediately until MBMCcontract: cause of wage stickiness, usually for a yearRational expectation: people expect inflation and act average error of expectation is deflator: one way to calculate inflation: divide nominal GDP by real GDP and multiply by : takes a fixed basket of good and calculate their priceCPI deflator: CPI only looks at consumer people tend to buy less of one thing if price increases so CPI is not mon problem for both ways is that they do not take into account the good w
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