The cost of using the environment input depends on its price and quantity, which are directly or indirectly subject to the environmental regulation.

• 与劳动力、资本等传统投入要素一样，企业使用环境要素的成本直接取决于环境要素的价格与其投入量，而环境要素的价格与其投入量则直接或间接的取决于政府的环境规制。