If safety regulation cost is higher, cannot provide enough overawe level, enterprises prevent level is lower, their safety investment is no valid, and result in mine disasters.

• 如果安全监管的成本较高,不能提供足够的威慑水平,企业预防水平就会较低,这时它的安全投入就是没有效率的,从而导致超出合理数量的矿难。