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This PDF is a selection from an out-of-print volume from the National Bureau of Economic Research Volume Title: R & D, Patents, and Productivity Volume Author/Editor: Zvi Griliches, ed. Volume Publisher: University of Ch
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Document Date: 2008-11-18 10:57:46
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File Size: 308,70 KB
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This PDF is a selection from an out-of-print volume from the National Bureau of Economic Research Volume Title: R & D, Patents, and Productivity Volume Author/Editor: Zvi Griliches, ed. Volume Publisher: University of Ch