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在异质性企业模型(HFM)中,生产者与消费者的交流仅仅限于价格信号,但在现实世界中,质量信息也会影响供求关系。质量异质性企业模型(QHFM)从质量角度解释了这一问题。文章就产品质量对贸易模式及消费、就业和生产等经济效应的影响对QHFM进行了较为系统的梳理和评述,着重分析了质量作用机制、质量维度引发的对传统结论新的修正等问题。相应结论有两点,一是生产高质量产品的企业尽管定价较高,但更有出口竞争力:它们出口到更多市场,占有更大市场份额,获得更多收入;二是纳入质量维度后,质量差异而形成的差异性贸易影响令传统的贸易福利估计结论有必要重新探讨。希望这些分析有助于我们未来在研究内容和方法上的拓展。
In the Heterogeneous Business Model (HFM), the communication between producers and consumers is only limited to the price signal, but in the real world, the quality information also affects the supply-demand relationship. The Quality Heterogeneous Enterprise Model (QHFM) explains this issue qualitatively. The paper systematically sorts and comments QHFM on the impact of product quality on the trade patterns and the economic effects of consumption, employment and production. Emphasis is placed on analyzing the mechanism of quality and new amendments to the traditional conclusions triggered by the quality dimension. The corresponding conclusions are twofold. First, the enterprises producing high-quality products are more export-oriented despite their higher prices: they are exported to more markets, have greater market share and receive more revenue; second, they are incorporated into the quality dimension , The differences in trade and the differences in trade make the conclusion of traditional trade welfare estimation necessary to revisit. We hope these analyzes will help us to expand our research contents and methods in the future.