標題: 答題詢問 [打印本頁] 作者: Blanc 時間: 2020-7-14 06:55 標題: 答題詢問 【題目】 You are an economist for the Taipei City Subway Commission. Presently, the price of a subway ride is $80, and 250,000 seats are filled weekly. The income elasticity of demand is -0.60. If a recession lowered area incomes by 5％, how many additional seats per week would the subway need?
1,000 seats.
7,500 seats
1,500 seats
5,000 seats