If a company, an industry or a country does not in the next quarter century sharply increase manufacturing production and at the same time sharply reduce the blue-collar work force, it cannot hope to remain competitive or even to remain developed. The attempt to preserve such blue collar jobs is actually a prescription for unemployment
This is not a conclusion that American politicians, labor leaders or indeed the general public can easily understand or accept. What confuses the issue even more it that the United States is experiencing several separate and different shifts in the manufacturing economy. One is the acceleration of the substitution of knowledge and capital for manual labor. Where we spoke of mechanization a few decades ago, we now speak of robotization or automation. This is actually more a change in terminology than a change in reality. When Henry Ford introduced the assembly line in 1909, he cut the number of man hours required to produce a motor car by some 80 percent in two or three years far more than anyone expects to result from even the most complete robotization. But there is no doubt that we are facing a new, sharp acceleration in the replacement of manual workers by machines that is, by the products of knowledge.
1.According to the author, the shrinkage in the manufacturing labor force demonstrates______.
A.the degree to which a countrys production is robotized
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