Now, the economic reasoning for this activity is somewhat questionable, according to some economists.

现在，根据一些经济学家的说法，这项活动的经济推理有些值得怀疑。

Protective arguments based on economic reasoning were supported by a plain necessity for revenue which admitted no dispute.

基于经济推理的保护性论点得到了不容置疑的收入的明显必要性的支持。