This study examines the effects of a human capital-based measure of technology diversification on innovation output and market structure across 239 U.S. manufacturing industries. Technology diversification is measured using data on the occupational diversification of an industry’s engineering...

This paper examines empirically the relationship between innovation and market structure within a simultaneous framework at the industry level of aggregation. We use a model in which R&D affects both, demand and cost conditions. An optimization process leads to optimal industry R&D expenditure...