According to the U.S. external accounts, U.S. investors earn a significantly higher rate of return on their foreign investments than foreigners earn in the United States. This continued strong performance has produced a positive net investment income balance despite the deterioration in the U.S....

China's major imbalances include trade and capital account surpluses and a large annual build-up of international reserves. China has a capital account surplus reinforcing the accumulation of foreign exchange reserves, mainly U.S. dollar-denominated assets. Usually, a sustainable fixed or...