This paper investigates the interaction of discretionary investments (R&D, capital investment, training and advertising), innovation, productivity and profitability within a dynamic framework of firm performance. A dynamic and closed model of firm performance is set up, and the resulting...

Using a new data set covering a sample of UK firms, 1989-1995, we study the impact of innovation and innovation assets on firm value. We find, for all reporting firms, that the flow of R&D and the use of new technologies (as measured by investment in tangible assets) have significant positive...