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目的:研究我国城乡居民卫生需求收入弹性的非线性特征。方法:基于平滑过渡(STR)模型分析不同阶段我国城乡居民卫生需求收入弹性的变化。结果:对城市居民来说,卫生需求收入弹性适用于LSTR2模型;对农村居民来说,卫生需求收入弹性适用于LSTR1模型。结论:我国城乡居民卫生服务需求的收入弹性都大于1。
Objective: To study the nonlinear characteristics of income elasticity of urban and rural residents’ health needs. Methods: The changes of income elasticity of urban and rural residents’ health demand in different stages were analyzed based on the smooth transition (STR) model. Results: For urban residents, the elasticity of demand for health needs applies to the LSTR2 model; for rural residents, the elasticity of demand for health needs applies to the LSTR1 model. Conclusion: The income elasticity of urban and rural residents’ health service demand is greater than 1.