美国近几十年来大举向海外投资,70年代以前,美国的跨国企业主要是涌向海外直接投资设厂,就地生产销售,大大推进了制造业的发展速度。在整个70年代,美国跨国公司向海外投资的速度年均增长为11％。在80年代初到90年代初的1982年至1992年,美国海外直接投资由2078亿美元增加到4867亿美元,年均增长为8.9％。1951—1975年,180家美国跨国公司建立了1.3 Before the 1970s, the multinational corporations in the United States mainly flocked to investing overseas in factories and set up factories to produce and sell products locally, greatly accelerating the pace of development of the manufacturing industry. Throughout the 1970s, the average annual growth rate of U.S. multinationals overseas investment was 11%. From 1982 to 1992 from the early 1980s to the early 1990s, the U.S. foreign direct investment increased from 207.8 billion U.S. dollars to 486.7 billion U.S. dollars, an average annual increase of 8.9 percent. From 1951 to 1975, 180 U.S. multinationals established 1.3