It was noted that ENTs may be a means to undertake commitments that would not otherwise be made; they may not always be discriminatory in nature and may be applied on a national treatment basis.
有人注意到，经济需求测试可能是作出否则无法作出的承诺的一种手段；它们并非总是具有歧视性，可在国民待遇的基础上适用。