In addition, the largest manufacturers, and the biggest polluters, have often used their influence with the relevant government agencies to attain more favorable treatment.
加上最嚴重的汙染者往往又是最大的企業，不免運用影響力，透過議會或有關單位協調，來達到他們所希望的條件，也使經濟學者頗不以為然。