经过以往各种观点的争论,有一点已经成为共识:市场竞争能实现资源的有效分配,而政府的政策干预则必然带来经济的低效率。然而,假若环顾四周,仅凭市场组织或机制难以如愿的现象却又屡见不鲜。 例如,近年来经常出现的话题——全球规模的环境污染和气候暖化的问题。如何防止对臭氧层的破坏,制止气温的不断上升,维持干净舒适的 After all previous arguments, it has become a consensus that market competition can effectively allocate resources and that government policy intervention inevitably leads to economic inefficiencies. However, it is not uncommon for me to look around and find it hard to do so solely on the basis of market organization or mechanism. For example, the topic that has emerged frequently in recent years is the problem of environmental pollution and climate warming on a global scale. How to prevent the destruction of the ozone layer, to stop the rising temperature to maintain clean and comfortable