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286 bytes added ,  15:34, 21 June 2016
===Compustat===
===Non-Compustat===
*Measures innovative activity with patents and new product announcements.
*Measures firm performance with after tax ROA, sales growth 3-year moving average.
*Controls for year and industry (two digit SIC code)
*Does not control for firm size, since it is correlated with R&D spending.
=LBO Effects on Innovation Papers=
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