金程問(wèn)答關(guān)于韋伯侖商品,講義上有這句話 But when price increases, the slope may be negative. 怎么理解?需求曲線不應(yīng)該是跟吉芬商品一樣是傾斜向上的嗎
先問(wèn)下18題
The speculative demand for money will tend to fall as the returns available on other financial assets rises.老師這句話看不懂,對(duì)貨幣的投機(jī)性需求不就是對(duì)金融資產(chǎn)的嗎?
政府稅收第一項(xiàng)如何理解?property tax不算直接稅嗎
老師,原版書(shū)后面有一道題:Increased household wealth will most likely cause an increase in: A.household saving; B. investment expenditures; C. consumption expenditures. 答案是C,但是請(qǐng)問(wèn)為什么選項(xiàng)A不對(duì)?已知MPC+MPS=1,在總收入增加的同時(shí)并且沒(méi)有提到MPC MPS ratio有變動(dòng),為什么savings不一起增加呢?
課后書(shū)有個(gè)問(wèn)題:Which of the following statements is the most appropriate description of GDP? A.The total income earned by all households, firms and the government whose value can be verified; B. The total amount spent on all final goods and services produced within the economy during a given period; C. The total market value of resalable and final goods and services produced within the economy during a period of time, 答案是B,請(qǐng)問(wèn)為什么選項(xiàng)A不對(duì)?
老師,notes 上有一道題問(wèn):Long term sustainable growth of an economy is least likely to result from growth in: A. the supply of labor;B. capital per unit of labor; C. output per unit of labor. 請(qǐng)問(wèn)答案為什么是B? long term sustainable growth是不是也可以理解為的LRAS 右移,那么增加capital per unit of labor不也是一種對(duì)于supply of physical capital的增加帶來(lái)LRAS的右移么?以及選項(xiàng)C是什么意思?
老師我想問(wèn),經(jīng)常性賬戶(hù)赤字,為什么資本性賬戶(hù)可以盈余?
老師請(qǐng)問(wèn)A為什么不對(duì)呢?interest rate下降,然后投資I變少,AD就decrease
請(qǐng)問(wèn)為什么當(dāng)在oligopoly collusion中,為什么purchases are relatively small and frequent會(huì)更容易讓公司達(dá)成collusion,以及為什么當(dāng)公司的各個(gè)oligopoly 公司market share 相似時(shí)不容易達(dá)成collusion?
1. 請(qǐng)問(wèn)在perfect competition的情況下為什么為何在隨著Q的上漲MC超過(guò)ATC時(shí)會(huì)帶來(lái)正的economic profit?2.monopoly公司的MC curve是什么形狀?還是U形還是會(huì)是一個(gè)像AFC逐漸區(qū)間于0的形狀?
老師我想問(wèn),第二個(gè)公式是怎么推出來(lái)的
請(qǐng)問(wèn)為什么短期和長(zhǎng)期利率spread越大inflation越嚴(yán)重呢?
老師說(shuō)價(jià)格彈性是負(fù)數(shù),因?yàn)榍€是向下的,老師為什么沒(méi)講為什么是反比的向下曲線?
老師,我想問(wèn)紅框里的生產(chǎn)者剩余和消費(fèi)者剩余怎么理解,出口補(bǔ)貼和自愿出口限制分別對(duì)應(yīng)本國(guó)還是外國(guó)。這個(gè)VER下的生產(chǎn)者剩余為什么是增加的呢,不是出口限制反而減少生產(chǎn)了嗎?
程寶問(wèn)答