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本文对天津自行车市场进行实证分析 ,详细地分析天津自行车市场的分化与演化过程 ,从信息不对称的角度说明天津品牌由少到多 ,档次由单一到多样化的变化机制。指出逆向选择理论中逆向选择模型中的预期假设不符合理性预期的现实 ,引进理性预期假设来解释市场得到发展并分化成几个不同层次等级的产品市场的原因。进而揭示了这个转轨时期市场结构变迁的特征 ,并提出了演化经济学研究的一个新的视角。最后针对实证提出相应的政策建议
This paper analyzes the bicycle market in Tianjin, analyzes in detail the differentiation and evolution of the bicycle market in Tianjin, and illustrates the change mechanism of the brand from less to more and from single to diversified in terms of information asymmetry. It points out that the expectation hypothesis in reverse choice model does not fit the reality of rational expectation, and introduces rational expectation hypothesis to explain why the market has developed and differentiated into several different levels of product market. Then reveals the characteristics of the market structure changes during the transition period and puts forward a new perspective of the study of evolutionary economics. Finally, we put forward the corresponding policy suggestions for the empirical research