Highlighting the limitations of R&D, this paper champions design activity as the phenomenon that captures knowledge mobilisation at the firm level, especially amongst small firms in developing countries. Still, knowledge becomes a capital (factor input) proper when employed in production. Volumes of new products sold could suggest the market value of utilised knowledge capital the same way the resale value of plant and equipment often approximates the stock of physical capital. Conversely, shares of sales of new products arguably capture an altogether different phenomenon: product-related firm transmutation. Findings suggest that the deeper utilisation of knowledge has significant productivity effects and supersedes mere mobilisation of kno...