Heterogeneous Boundedly Rational Expectation Model for Housing Market
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摘要: 研究目的在于分析异质有限预期条件下,住宅市场的价格波动.住宅市场被视为由具有异质、互竞预期的行为人所构成的演化系统.研究结果解释了住宅市场价格波动的一些典型现象,如均衡或震荡、收敛或偏离等.此外,研究显示市场结构的变动取决于行为人的策略选择.由于不同市场调节工具对价格波动的影响不同,市场监控政策应视特定市场、特定时期的具体情况而制定.Abstract: The housing price dynamics was tested when considering heterogeneous boundedly rational expectations, such as naive expectation, adaptive expectation and biased belief. Housing market was investigated as an evolutionary system with heterogeneous and competing expectations. The results show that the dynamics of the expected housing pricevaries substantially when heterogeneous expectations are considered together with some other endogenous factors. The simulation results explain some stylized phenomena, such as equilibrium or oscillation, convergence or divergence, and over-shooting or under-shooting. Furthermore, the results suggest that the variation of the proportion of each group of the agents is basically dependent on the selected strategies. It is indicated that control policies should be chosen carefully in consistence with a uniquereal estate market during a unique period since some certain parameters portfolio mayincrease or suppress the oscillation.
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Key words:
- evolutionary system /
- housing price dynamics /
- heterogeneous expectations
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