研究所、轉學考(插大)-經濟學題庫下載題庫

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22. Which of the following goods is rival and excludable?
(A)an uncongested toll road
(B)an uncongested nontoll road
(C)a congested nontoll road
(D)a congested toll road


22. Which of the following goods is riva..-阿摩線上測驗