答題詢問

Blanc

【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


請問此題答案為何呢？請大大們開示....謝謝

紀廷諭

答案是 7,500 seats

250,000*0.6*5%=7,500

yao6228

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