標題: 2018/9/19 答題答案 [打印本頁] 作者: mynameistompang 時間: 2018-9-19 02:00 標題: 2018/9/19 答題答案 【題目】 The price elasticity of demand for cigarettes is 0.4. If government wants to reduce smoking by 10 percent, by how much should it raise the price of cigarettes by imposing a tax?
by 25 percent
by 50 percent
by 10 percent
by 20 percent