【单选题】In the HO model, the production possibility frontier is bowed out due to the assumption of
B.
different factor intensities in the production of the two goods.
C.
increasing returns to scale.
【单选题】以下文件格式中,不属于视频文件的是( )。
【单选题】The HO model rules out the classical model's basis for trade by assuming that ________ is (are) identical between countries.