disparity exists between the two countries when products are differentiated, selling the high-tech input to foreign competitors … homogeneous, selling only the high-tech input to a sufficiently large number of Southern firms, and exiting from the finished … and Southern rivals to export and import the high-tech input in the homogeneous model. • When the final products are …

disparity exists between the two countries when products are differentiated, selling the high-tech input to foreign competitors … homogeneous, selling only the high-tech input to a sufficiently large number of Southern firms, and exiting from the finished …