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目的:将健康资本作为重要的人力资本组成部分,讨论动态情况下健康投资的路径和稳态均衡。方法:依据Grossman的健康资本理论,将健康带给消费者的收益界定为货币收益和心理收益,利用最优控制理论对健康投资的最优路径进行了研究;结果:消费者的最优健康投资路径中具有唯一的一条鞍点均衡,并且该均衡状态具有稳定性和唯一性;结论:消费者的效用最大化取决于消费者对未来生活的主观判断,作为理性的消费者,考虑到健康风险随年龄的递增而逐步增加,应加大健康投资的力度,实现终生效用的最大化。
OBJECTIVE: To use healthy capital as an important part of human capital to discuss the path and steady-state equilibrium of healthy investment under dynamic conditions. Methods: Based on Grossman’s theory of health capital, the benefits brought by health to consumers were defined as monetary gains and psychological benefits. Optimal control theory was used to study the optimal path of health investment. Results: The optimal health investment There is only one saddle point equilibrium in the path, and the equilibrium state is stable and unique. Conclusion: The maximization of consumers ’utility depends on consumers’ subjective judgment on future life. As a rational consumer, considering the risk of health Increasing age and gradually increase the intensity of health investment should be increased to achieve the maximization of life-long utility.