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Average return differences among firms sorted on valuation ratios, past investment, prof-itability, market beta, or idiosyncratic volatility are largely driven by differences in exposures offirms to the same systematic factor related to embodied technology shocks. Using a calibratedstructural...
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"The authors present a database of indicators of innovative activity around the world since the early 1960s. The data … outputs is patents. The main variables related to innovation inputs are investment in research and development (R&D) and …) with respect to the level of development. "--World Bank web site …
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