在现实生活中,不同的派别对公共物品进行了不同的定义。其实除了纯私人物品和纯公共物品之外,生活中更多存在的是介于二者之间的物品。本文以经典的萨缪尔森的观点为基础,对物品进行了分类,认为对公共物品仅从消费上的竞争性和排他性就可以进行分类。 In real life, different parties have different definitions of public goods. In fact, in addition to pure personal items and pure public goods, there is more in life between the two items. Based on the classical Samuelson perspective, the article classifies the objects and considers that they can be categorized solely for their competitiveness and exclusivity.