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武漢大學(xué)宏觀經(jīng)濟(jì)學(xué)試卷(文件)

 

【正文】 品的需求;(2)利率下降,這刺激了投資品需求;(3)匯率貶值,這刺激了凈出口需求。這就是說,我們是在假設(shè)經(jīng)濟(jì)中貨幣不變的情況下來考慮物價(jià)水平的變動(dòng)如何影響對(duì)物品與勞務(wù)的需求的。結(jié)果,長(zhǎng)期總供給曲線將向右移動(dòng)。結(jié)果,長(zhǎng)期總供給曲線將向左移動(dòng)。相反,經(jīng)濟(jì)中資本存量的減少降低了生產(chǎn)率,減少了物品與勞務(wù)供給量,使長(zhǎng)期總供給曲線向左移動(dòng)。(3)自然資源引起的移動(dòng)。在許多國(guó)家,重要的自然資源是從國(guó)外進(jìn)口的。今天的經(jīng)濟(jì)較之上一代人,產(chǎn)量更高的最重要原因也許是我們技術(shù)知識(shí)的進(jìn)步。開放國(guó)際貿(mào)易與發(fā)明新生產(chǎn)過程有類似的作用,因此,它也會(huì)使長(zhǎng)期總供給曲線向右移動(dòng)。s diagnosis of inflationary conditions was correct, the drop in output and the rise in unemployment will help relieve inflationary forces. Summarize the step as follows: R down→M down→i up→I,C,X down→AD down →Real GDP down and inflation down.畫圖分析貨幣供給的增長(zhǎng)是如何影響利率,投資和總需求的?(第34章,10分)答:我們考慮這種貨幣注入如何影響一個(gè)既定物價(jià)水平時(shí)的均衡利率。這就是說,為了使人們持有中央銀行創(chuàng)造的額外貨幣,利率必然要下降。企業(yè)對(duì)新工廠和新設(shè)備的支出增多,這刺激了企業(yè)投資。總之,當(dāng)中央銀行增加了貨幣供給時(shí),它降低了利率,增加了物價(jià)水平為既定時(shí)的物品與勞務(wù)需求量,使總需求曲線向右移動(dòng)。當(dāng)最低工資法迫使工資高于供求平衡的水平時(shí),與均衡水平相比,它就增加了勞動(dòng)供給量而減少了勞動(dòng)需求量,從而使經(jīng)濟(jì)中存在過剩的勞動(dòng)。最低工資法所能解釋的失業(yè)只存在這些工人中。圖324(a)表示可貸資金市場(chǎng)。圖324(b)表示資本凈流出。圖324(c)表示外匯市場(chǎng)。因?yàn)閷?shí)際匯率貶值增加了凈出口,所以,外匯求曲線向右下方傾斜。(c)幅中決定的實(shí)際匯率是相對(duì)于國(guó)外物品與勞務(wù)的國(guó)內(nèi)物品與勞務(wù)的價(jià)格。(2)當(dāng)政府通過印刷貨幣籌集收入時(shí),可以說是在征收一種通貨膨脹稅(inflation tax)。因此,通貨膨脹稅像一種向每個(gè)持有貨幣的人征收的稅。T.c) Your roommate earns $100 and deposits it in her account at a bank.d) You borrow $1000 from a bank to buy a car to use in your pizza delivery business.4. Are the following workers more likely to experience shortterm or longterm unemployment? Explain.(Score 25=10 )a) A construction worker laid off because of bad weather.b) A manufacturing worker who loses her job at a plant in an isolated area.c) A stagecoachindustry worker laid off because of petition from railroads.d) A shortorder cook who loses his job when a new restaurant opens across the street.e) An expert welder with little formal education who loses her job when the pany installs automatic welding machinery.5. What is the laborforce status of each of the following? (Score 25= 10 )a) A teenager who sends out resumes in searching for a first job.b) An autoworker who has been laid off and would like to work but has given up hope of finding work or being recalled.c) A parent who works parttime, wants a fulltime job, but doesn’t have time to look.d) A teacher who has a job but is too ill to worke) For example, a retired person who moved to Florida and answers advertisements for parttime positions.二、計(jì)算題 (15分)6. What would the expenditure multiplier be in an economy without government spending or taxes where the MPC is the MPm is 0? Where the MPm is ? Where the MPm is ? Explain why the multiplier might even be less than 1. (Score 15)三、圖形分析題 (35分)7.簡(jiǎn)析為什么總需求曲線向右下方傾斜?(15分)8. 試述短期菲利普斯曲線與長(zhǎng)期菲利普斯曲線在政策含義上的區(qū)別?你認(rèn)為目前中國(guó)能否通過政府制造通貨膨脹的辦法來降低失業(yè)率并促進(jìn)經(jīng)濟(jì)增長(zhǎng)?)d) Profits earned by Haier(海爾電器) on production in an America factory(海爾電器在美國(guó)生產(chǎn)所獲得的利潤(rùn)可以計(jì)算進(jìn)美國(guó)的國(guó)內(nèi)生產(chǎn)總值GDP,不能計(jì)算進(jìn)中國(guó)的GDP,但是可以計(jì)入中國(guó)的國(guó)民生產(chǎn)總值GNP。)e) Your parents buy a bottle of French wine.(影響消費(fèi)C和凈出口NX。)c) A parent who works parttime, wants a fulltime job, but doesn’t have time to look.(就業(yè),只不過是就業(yè)不充分。邊際消費(fèi)傾向越大越有利于本國(guó)經(jīng)濟(jì)增長(zhǎng)??紤]你在錢包中和銀行賬戶上所持有的貨幣。這又鼓勵(lì)他們更多地支出。物價(jià)水平越低,家庭購(gòu)買它們想要的物品與勞務(wù)需要持有的貨幣就越少。反過來,較低的利率又鼓勵(lì)想為新工廠和設(shè)備投資的企業(yè)和想為新住房投資的家庭借款。因此,一些美國(guó)投資者通過在國(guó)外投資而尋求更高的收益。由于每一美元購(gòu)買的外國(guó)通貨單位少了,外國(guó)物品相對(duì)于國(guó)內(nèi)物品變得更昂貴。因此,有三個(gè)不同而相關(guān)的原因說明了為什么物價(jià)水平下降增加了物品與勞務(wù)需求量:(l)消費(fèi)者更富了,這刺激了消費(fèi)品的需求;(2)利率下降,這刺激了投資品需求;(3)匯率貶值,這刺激了凈出口需求。這就是說,我們是在假設(shè)經(jīng)濟(jì)中貨幣不變的情況下來考慮物價(jià)水平的變動(dòng)如何影響對(duì)物品與勞務(wù)的需求的。通過改變貨幣政策與財(cái)政政策來影響總需求,決策者可以選擇這條曲線上的任意一點(diǎn)。根據(jù)薩繆爾森和索洛的看法,決策者面臨著通貨膨脹和失業(yè)的權(quán)衡取舍,而且菲利普斯曲線說明了這種權(quán)衡取舍。實(shí)際上,正如圖354所說明的,垂直的菲利普斯曲線和垂直的長(zhǎng)期總供給曲線是同一枚硬幣的兩面。但是,由于菲利普斯曲線是垂直的,這兩點(diǎn)的失業(yè)率相同。在短期中,預(yù)期的通貨膨脹是既定的。)但是
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