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大量的文献研究表明,消费者在市场交易前搜寻商品信息的经济行为模式和成本深刻影响着产业组织的结构、行为与绩效。通过对文献的进一步考察发现,目前的研究可以从三个方面的进一步深入,一是放松消费者与企业完全知道均衡价格分布的假设;二是放开消费者第一次搜寻无成本的假设;三是将消费者搜寻扩展为价格搜寻与属性搜寻,研究异质商品市场上的消费者搜寻、企业竞争以及社会福利的变化。
A large number of literature studies show that the economic behavior patterns and costs of consumers searching for product information before market transactions have a profound impact on the structure, behavior and performance of industrial organizations. Through further investigation of the literature, we find that the current research can be further deepened from three aspects. One is to relax the assumption that consumers and enterprises fully know the distribution of equilibrium prices. The other is to release the assumption that consumers search for no cost for the first time. The third is to expand consumer search into price search and attribute search to study the changes of consumer search, business competition and social welfare in the heterogeneous market.