經濟學系講座: Superstar Products by Superstar Exporters
講者: 薛思帆教授/北京大學國家發展研究院助理教授
日期: 5/3/2026 (四)
時間: 14:00-15:15
地點: E21A-G035
語言: 英語
內容: We show empirically that it is a firm’s superstar products, rather than its product scope or average product appeal, that make it a superstar exporter. These superstar products account for more than half of aggregate sectoral exports. We build a multiproduct firm model with endogenous firm-level investment that shapes the distribution of product appeal. Higher-ability firms invest more as they benefit more from such investments, and are therefore more likely to generate superstar products. The endogenous firm-level investment lead to heterogeneous aggregate bilateral trade elasticities and new sources of welfare changes in response to trade shocks.
