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|a Mansfield, Edwin.
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|a Industrial research and technological innovation :
|b an econometric analysis.
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|a [1st ed.]
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|a New York :
|b Norton,
|c c [1968]
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|a xviii, 235 p. :
|b ill. ;
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|a "Published for the Cowles Foundation for Research in Economics at Yale University.".
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|a Companion to the author's The economics of technological change.
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|a Bibliography: p. 222-230.
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|a Econometrics.
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|a Research, Industrial
|z United States.
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|a Technological innovations
|z United States.
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|a Cowles Foundation for Research in Economics at Yale University.
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