For example, in recent years, global merchandise exports have been above 20 percent of world gross domestic product, compared with about 8 percent in 1913 and less than 15 percent as recently as 1990; and international financial flows have expanded even more quickly. 3 But these data understate the magnitude of the change that we are now experiencing.
The emergence of China, India, and the former communist-bloc countries implies that the greater part of the earth's population is now engaged, at least potentially, in the global economy. There are no historical antecedents for this development. Columbus's voyage to the New World ultimately led to enormous economic change, of course, but the full integration of the New and the Old Worlds took centuries.