In this paper we articulate and test the hypothesis that TFP is a reliable and relevant measure of firm’s innovation capabilities, and, as such, accounts for Tobin’s q indicator. With this aim, we investigate empirically the relationship between firm level total factor productivity and the Tobin’s q. Measuring Tobin’s q allows inferring the actual value of knowledge capital from stock market valuation. We use a panel of companies listed on UK and the main continental Europe financial markets (Germany, France and Italy) for the period 1995 - 2005. Our results confirm that TFP is a reliable indicator of firm’s innovative capabilities. When we control for firm’s R&D investments, the effects of TFP on market value remain highly significant. This suggests that TFP is a broader measure of innovation capability than R&D is. The validation of the Tobin’s q and TFP relationship has important implications concerning firm’s technological innovation measurement.
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More papers in Dipartimento di Economia "S. Cognetti de Martiis" LEI & BRICK - Laboratorio di economia dell'innovazione "Franco Momigliano", Bureau of Research in Innovation, Complexity and Knowledge, Collegio Carlo Alberto. WP series from University of Turin Contact information at EDIRC. Series data maintained by Piero Cavaleri ().