2007年美国次级债危机全面爆发,令美国经济前景黯淡。金融市场信用风险重估、利率调整,导致国际投资者将大量资金撤出美国、欧洲、日本等发达国家,转而投资俄罗斯、巴西等新兴市场国家。根据美国专业基金研究机构新兴市场投资基金研究公司(EPFR)统计,过去一年中发达市场股票基金累计出现了512亿美元的资金净流出,新兴市场股票基金在2007年全年吸引了408亿美 The outbreak of the U.S. subprime crisis in 2007 eclipsed the economic outlook in the United States. Credit risk revaluation and interest rate adjustment in financial markets led international investors to withdraw large amounts of funds from developed countries such as the United States, Europe and Japan instead of investing in emerging market countries such as Russia and Brazil. According to EPFR, a U.S. professional fund research institution, developed-market equity funds accumulated a net cash outflow of US $ 51.2 billion in the past year. Emerging-market equity funds attracted 40.8 billion U.S. dollars in 2007