现代产业经济学系列讲座第269期
时 间：2024年6月18日（周二） 16:00-17:30
地 点：史带楼303室
题 目：Trade, Markups, and Consumer Welfare: Evidence from the Global Smartphone Industry
主讲人：谢晓晨 助理教授
主持人：常惠丰 副研究员
摘 要：
This study investigates how trade policies impact markups and consumer welfare. Elevated trade barriers force some imported products to exit the market, reducing market competitiveness and allowing remaining products to raise markups (entry mechanism). Simultaneously, higher trade barriers cause imported goods to raise prices less than the cost hike to counter demand decline, reducing markups (cost mechanism). Utilizing data from the smartphone markets of 40 major countries, we build a supply and demand model where both firms' product portfolios and pricing strategies are endogenous. Our counterfactual analysis indicates that the tariff effect on markups varies with imported goods' market share. Furthermore, we underscore the importance of cost mechanisms in shaping markup adjustments by analyzing the impact of trade policies on markup through both mechanisms across countries. Finally, we highlight the importance of considering trade-policy-induced markup alterations on consumer welfare, under specific conditions.
主讲人简介：
谢晓晨，中国人民大学财政金融学院财政系助理教授，美国宾夕法尼亚州立大学经济学博士。他的主要研究领域为公共财政，宏观经济学，国际贸易和产业组织。他的主要研究兴趣是通过实证回归分析和结构模型模拟，评估政府政策和公共项目对企业行为和宏观经济的影响。
应用经济学系
2024-6-13
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