being strictly proportional to size). The firm innovation output, as measured by patent numbers or innovative sales, rises …This paper studies the links between productivity, innovation and research at the firm level. We introduce three new … features: (i) A structural model that explains productivity by innovation output, and innovation output by research investment …

This paper introduces dynamics in the R&D to innovation and innovation to productivity relationships, which have mostly … individual effects and idiosyncratic errors correlated across equations and that differ in the way innovation enters the … Community Innovation Survey. The results provide evidence of robust unidirectional causality from innovation to productivity and …