题目详情
单选题 Firms that produce ________ products must be ________ competitive
A. differentiated; imperfectly
B. differentiated; perfectly
C. exported; imperfectly
D. standardized; imperfectly
E. standardized; perfectly

学科:国际经济学(在线课程)
时间:2024-06-08 03:16:31
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