Macroscope has discussed the growth of sovereign wealth funds many times (see here or here). Just to recap, the global state-owned SWF industry is set to more than double in the next 10 years from the current $3 trillion, according to estimates from Deutsche Bank.
from Global Investing:
Graphic evidence from Investec Asset Management (below) highlighting the demise of the carry trade. It shows returns from borrowing low-yielding currencies such as Japanese yen to buy high-yielding ones over the past 7-1/2 years or so. There has been a roughy 50 percent decline since the end of July.