The second Tutorial Class for Chapter4 Delivered by Xiang Zhang The second Tutorial Class Some Advice Concepts and proof Exercise Attachments Ⅰ.Some suggestions ①答疑的自愿性;(综合因素、频率) ②邮件的规范性;(换位思考、细节) ③课后的自觉性;(主动提问、证明) ④画图的的及时性;(范例笔记、特色) ⑥参与的差异性. (课件中的、口头) 笔记范例 Ⅱ.Concepts 、类型
(1)点弹性(2)两点之间的弹性(弧弹性)
(谷贱伤农)
7 Price Elasticity For A Variety of Products The greater the number of substitutes for a good, the more elastic its demand will be. Proportion Of e Product Definition Time:Long-Run and Short-Run 点弹性的计算(DD线) P Q D D A Z B C E O 点弹性的计算(SS线) 点弹性计算的三个公式: ①ED= ; ②ED=P/kQ;(P=a-kQ); ③ED=k1*k2;(切线割线) 税收归宿的计算 (弹性与税负承担者的关系)
