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Lending useful support to this first error is a second—the idea that there is only so much work to go round. If new technologies render some jobs obsolete, or if an increase in the supply of cheap imports makes other jobs uneconomic, the result must be a permanent rise in unemployment. Again, on a moment's reflection, this is wrong; otherwise, technological progress this century would have pushed unemployment rates in the industrial countries to something in excess of 95%.

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