chap05彈性及其應(yīng)用經(jīng)濟(jì)學(xué)原理,曼昆,中英文雙語-資料下載頁(yè)
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【正文】 ce Elasticity of Supply 計(jì)算供給價(jià)格彈性 0. 240. 40. 0952. 00) / 2( 3. 002. 003. 00110) / 2( 100110100=ED????Demand is inelastic 需求缺乏彈性 Harcourt, Inc. items and derived items copyright 169。 2021 by Harcourt, Inc. 5 6 $7 4 1 2 3 Quantity 數(shù)量 12 2 4 6 8 10 14 0 Price 價(jià)格 Elasticity is larger than 1. 彈性大于 1 Elasticity is Smaller than 1. 彈性小于 1 Figure 55 Harcourt, Inc. items and derived items copyright 169。 2021 by Harcourt, Inc. $15 12 3 Quantity 數(shù)量 100 200 500 0 Price 價(jià)格 525 Elasticity is small (less than 1). Elasticity is large (greater than 1). 4 Figure 57 彈性?。?1） 彈性大（ 1） Harcourt, Inc. items and derived items copyright 169。 2021 by Harcourt, Inc. P2 P1 Quantity of Oil 0 Price of Oil Demand S 2 S 1 (a) The Oil Market in the Short Run P2 P1 Quantity of Oil 0 Price of Oil Demand S 2 S 1 (b) The Oil Market in the Long Run 2. ...leads to a large increase in price. 1. In the long run, when supply and demand are elastic, a shift in supply... 2. ...leads to a small increase in price. 1. In the short run, when supply and demand are inelastic, a shift in supply... Figure 59 Harcourt, Inc. items and derived items copyright 169。 2021 by Harcourt, Inc. P2 P1 石油數(shù)量 0 石油價(jià)格 需求 S 2 S 1 (a) 短期石油市場(chǎng) P2 P1 石油數(shù)量 0 石油價(jià)格 需求 S 2 S 1 (b) 長(zhǎng)期石油市場(chǎng) 2. ..引起 價(jià)格大 幅度上升 1. 在長(zhǎng)期中，當(dāng)供給 與需求富有彈性時(shí)，供 給移動(dòng) … 2. ..引起 價(jià)格小 幅度上升 1. 在短期中，當(dāng)供給和需求缺乏 彈性時(shí)，供給移動(dòng) … Figure 59 Harcourt, Inc. items and derived items copyright 169。 2021 by Harcourt, Inc. P 2 P 1 Quantity of Drugs 0 Q 2 Q 1 Price of Drugs Demand S 2 S 1 Q 2 Q 1 (a) Drug Interdiction Quantity of Drugs 0 Price of Drugs Supply D 2 D 1 (b) Drug Education 3. ...and reduces the quantity sold. 2. ...which raises the price... 2. ...which reduces the price... P 1 P 2 1. Drug interdiction reduces the supply of drugs... 1. Drug education reduces the demand for drugs... 3. ...and reduces the quantity sold. Figure 510 Harcourt, Inc. items and derived items copyright 169。 2021 by Harcourt, Inc. P 2 P 1 毒品數(shù)量 0 Q 2 Q 1 毒品價(jià)格 需求 S 2 S 1 Q 2 Q 1 (a) 禁毒 毒品數(shù)量 0 毒品價(jià)格 供給 D 2 D 1 (b) 禁毒教育 3. … 以及減少 了銷售量。 2. … 提高 了價(jià)格 … 2. … 降低 了價(jià)格 … P 1 P 2 1. 禁毒減少了毒品供給 … 1. 禁毒教育減少了毒品需求 … 3. … 以及減少 了銷售量 。 Figure 510 Harcourt, Inc. items and derived items copyright 169。 2021 by Harcourt, Inc. Summary u Price elasticity of demand measures how much the quantity demanded responds to changes in the price. u Price elasticity of demand is calculated as the percentage change in quantity demanded divided by the percentage change in price. u If a demand curve is elastic, total revenue falls when the price rises. u If it is inelastic, total revenue rises as the price rises. Harcourt, Inc. items and derived items copyright 169。 2021 by Harcourt, Inc. 小結(jié) u 需求價(jià)格彈性衡量需求量對(duì)價(jià)格變動(dòng)的反應(yīng)程度。 u 需求價(jià)格彈性等于需求量的變化百分比除以價(jià)格的變化百分比。 u 如果需求曲線是富有彈性的，總收益隨著價(jià)格的上升而減少。 u 如果 需求曲線是缺乏彈性的，總收益隨著價(jià)格的上升而增加。 Harcourt, Inc. items and derived items copyright 169。 2021 by Harcourt, Inc. Summary n The ine elasticity of demand measures how much the quantity demanded responds to changes in consumers’ ine. n The crossprice elasticity of demand measures how much the quantity demanded of one good responds to the price of another good. Harcourt, Inc. items and derived items copyright 169。 2021 by Harcourt, Inc. 小結(jié) n 需求的收入彈性衡量需求量對(duì)消費(fèi)者收入變動(dòng)的反應(yīng)程度。 n 需求的交叉彈性衡量一種物品的需求量 對(duì)另一種物品價(jià)格變動(dòng)的反應(yīng)程度。 Harcourt, Inc. items and derived items copyright 169。 2021 by Harcourt, Inc. Summary u The price elasticity of supply measures how much the quantity supplied responds to changes in the price. u In most markets, supply is more elastic in the long run than in the short run. Harcourt, Inc. items and derived items copyright 169。 2021 by Harcourt, Inc. 小結(jié) u 供給價(jià)格彈性衡量供給量對(duì)價(jià)格變動(dòng)的反應(yīng)程度。 u 在大多數(shù)市場(chǎng)上，供給在長(zhǎng)期中比在短期中更富有彈性。 Harcourt, Inc. items and derived items copyright 169。 2021 by Harcourt, Inc. Summary n The price elasticity of supply is calculated as the percentage change in quantity supplied divided by the percentage change in price. n The tools of supply and demand can be applied in many different types of markets. Harcourt, Inc. items and derived items copyright 169。 2021 by Harcourt, Inc. 小結(jié) n 供給的價(jià)格彈性等于供給量的變化百分比除以價(jià)格的變化百分比。 n 供給和需求作為工具可以用來分析很多不同的市場(chǎng)。
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