Answer:
It was better for the United States to receive the direct and portfolio investments from Asian countries like China and Japan in 1990s and first decade of 2000s, than not to receive it because this investment was making the United State Economy's capital base stronger. The increased capital stock contributed to the growth of the economy of the US.
It would have been better for the United States to have made this investments itself, because then they would have received all the returns on the investment themselves rather than it being repatriated to Japan and China.
Step-by-step explanation: