UST, a more famous school in far east,
and accounting (with big 4 and accounting) is a more safe choice.
quantitative economics sounds cool, and related to high-profile research stuffs, and two-year of oversea education is definitly benefitical for personala education, but in long-term.
but it is risky as one had really to do something (and pray for the luck) to get through the language and visa concern.