Purpose – The purpose of this paper is to answer the question of workforce diversity and efficiency. It departs from … the estimation of the degree of concavity of the production function. Design/methodology/approach – Workforce diversity is … optimal when the technology displays concavity in the share of workers considered (e.g. decreasing marginal contribution of …

We estimate the impact of workforce diversity on productivity, wages and productivity-wage gaps (i.e. profits) using … econometric issues, show that educational (age) diversity is beneficial (harmful) for firm productivity and wages. The … industries. Overall, findings do not point to sizeable productivity-wage gaps except for age diversity. …