日誌
【題目】You are an economist for the Taipei City Subway Commission. Presently, t ...
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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?
