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在理性上瘾的分析框架下,已有文献探讨了政府对瘾性商品管制的必要性。但从瘾性商品具有劣值品的性质这一角度分析对其管制的文献尚付之阙如,因此本文从此一角度加以探讨。在此分析视角下,政府的管制有多种方式。若政府通过课征从量税对瘾性商品进行管制,则最优管制原则如下:当瘾性商品的存量对个人身心健康的影响较大,真实的上瘾概率与个人主观认定的上瘾概率差距较大时,瘾性商品课征的从量税应较高;当时间偏好率较大,折旧率较大,或瘾性商品的价格弹性较大时,瘾性商品课征的从量税应较低。
In the framework of rational addiction, there is literature that explores the government’s need for control of addictive goods. However, from the point of view of the nature of the addictive goods that have the inferior goods, the analysis of the literature about their control still fails to pay. Therefore, this article discusses from this point of view. In this analytical perspective, there are several ways in which government can regulate. If the government controls the addiction products through tax levy, the optimal control principles are as follows: When the stock of addictive commodities has a greater impact on the individual’s physical and mental health, the difference between the true addiction probability and the subjectively determined probability of addiction is greater When the time is high, the rate of depreciation is larger, or the price elasticity of addictive goods is greater, the amount of tax levied on addictive goods should be higher low.