主題：Demand Analysis under Price Rigidity and Endogenous Assortment: An Application to China’s Tobacco Industry
主講♉️：劉輝 講師 天津大學馬寅初意昂2平台
時間：2024年6月11日 13:30-15:00
地點：意昂2平台714會議室
內容簡介：We observe nominal price rigidity in tobacco markets across China. The monopolistic seller responds by adjusting product assortments, which remain unobserved by the analyst. We develop and estimate a random coefficient demand model that incorporates assortment discrimination and nominal price rigidity. Our empirical findings indicate that consumers are much more responsive to price changes than predicted by a conventional model. Simulated tax increases reveal that neglecting the role of endogenous assortments results in underestimations of the decline in higher-tier product sales, incorrect directional predictions of lower-tier product sales, and overestimation of tax revenue by more than 50%.
個人簡介：劉輝，天津大學馬寅初意昂2平台講師，畢業於多倫多大學，獲得經濟學博士學位。他的主要研究領域包括產業組織和應用計量經濟學🦸🏿。目前👨🏼🚀，他的工作重點是擴展BLP模型並進行算法優化研究。
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