报告题目：On the Equivalence of Tariffs and Quotas under Duopoly: A Conjectural Variation Approach
报 告 人：王嘉荟（产业组织与企业组织研究中心硕士研究生）
报告时间： 2026年11月13日（周五）14:00-15:30
报告地点：博学楼402-2（产组中心会议室）
主办单位：产业组织与企业组织研究中心
【内容摘要】
The purpose of this paper is to use a conjectural variation approach to examine the equivalence of tariffs and quotas, set so as to result in the same equilibrium quantity of imports. We have demonstrated that whether tariffs and quotas are equivalent depends crucially on the particular value of conjectural variations. Specifically, in the case of equal import tariffs and quotas, the equivalence holds only in the Cournot case; otherwise the domestic price is lower or higher under quotas depending upon whether competition is less or more competitive than Cournot.
【文章信息】
Hwang H, Mai C C. On the Equivalence of Tariffs and Quotas under Duopoly: A Conjectural Variation Approach[J]. Journal of International Economics, 1988, 24(3–4): 373–380.
撰稿：宁浩凯 审核：郭晓丹 单位：产业组织与企业组织研究中心
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