论文部分内容阅读
共有资源也与公共物品一样没有排他性:想要使用共有资源的任何一个人都可以使用.但是,共有资源有竞争性:一个人使用共有资源减少了其他人对它的享用.因此,共有资源产生了一个新问题.一旦提供了一种物品,决策者就需要关注它被使用了多少.最好用一个古典寓言来理解这个问题,这个寓言称为共有地悲剧.设想生活在一个中世纪小镇上.该镇的人从事许多经济活动,其中最重要的一种是养羊.镇上的许多家庭都有自己的羊群,并出卖用以做衣服的羊毛来养家.
Shared resources are also as exclusive as public goods: anyone who wants to use a shared resource can use it, but the shared resource is competitive: one uses the shared resource to reduce others’ enjoyment of it, and therefore the shared resource is generated A new problem.Once an item is provided, the decision-maker needs to be concerned with how much of it is being used.It is best to understand the problem with a classical allegory called a common tragedy.Configure living in a medieval town Many of the townspeople engaged in many economic activities, the most important of which was raising sheep, many of whom had their own flock of sheep and betrayed the wool they used to make their clothes to feed their families.