The talk today is of the "changing world economy." I wish to argue that the world economy is not "changing"; it has already changed—in its foundations and in its structure—and in all probability the change is irreversible.
Within the last decade or so, three fundamental changes have occurred in the very fabric of the world economy:
—The primary-products economy has come "uncoupled" from the industrial economy.
—In the industrial economy itself, production has come "uncoupled" from employment.
—Capital movements rather than trade (in both goods and services) have become the driving force of the world economy. The two have not quite come uncoupled, but the link has become loose, and worse, unpredictable.
These changes are permanent rather than cyclical. We may never understand what caused them—the causes of economic change are rarely simple. It may be a long time before economic theorists accept that there have been fundamental changes, and longer still before they adapt their theories to account for them. Above all, they will surely be most reluctant to accept that it is the world economy in control, rather than the macroeconomics of the nation-state on which most economic theory still exclusively focuses. Yet this is the clear lesson of the success stories of the last 20 years—of Japan and South Korea; of West Germany (actually a more impressive though far less flamboyant example than Japan); and of the one great success within the United States, the turnaround and rapid rise of an industrial New England, which only 20 years ago was widely considered moribund.
Practitioners, whether in government or in business, cannot wait until there is a new theory. They have to act. And their actions will be more likely to succeed the more they are based on the new realities of a changed world economy.
First, consider the primary-products economy. The collapse of non-oil commodity prices began in 1977 and has continued, interrupted only once (right after the 1979 petroleum panic), by a speculative burst that lasted
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