However,for some reason,governmental regulation may also give way to its defectiveness. 然而由于种种原因，政府规制也会失灵。
In view of the increasing of the defectiveness and the costs of governmental regulation,the western governments begin to carry out the policy of deregulation. 随着政府规制的失灵和规制成本的不断提高，西方各国又纷纷实行放松规制。
