National boundaries are less and less a barrier to trade as companies more and more manufacture in many countries and move parts and components across national boundaries with the same ease of movement exhibited a half century ago within national economies.
A consequence, in the eyes of many, if not most, economists, world per capita real GDP over the past three decades has risen  BIS Review 6/2004  3  almost 1-1/2 percent annually, and the proportion of the developing world’s population that live on less than one dollar per day has markedly declined. Yet globalization is by no means universally admired.