As a result, external solution by tax authorities, which we call this method that is external to the internalising effects (Internalize the externalities) problem, the failure of market forces from outside. Arise from the manufacturer, or consumer external cause. I don't want to pay the social costs that are themselves militants. Therefore, these men choose the quantity or level of consumption is more than expected, because the actual cost is greater than the costs they cause the external effects are. How to resurface that the Government will be able to use one solution is increasing the cost from external effects to the consumer with manufacturers or those people. In the form of taxation.