This article analyses the impact of skill portfolios and labour mobility on plant performance by means of a unique database that connects attributes of individuals to features of plants for the whole Swedish economy. We found that a portfolio of related competences at the plant level increases...

This article analyses the impact of labour market-induced externalities on firm performance by using a unique database that connects attributes of individuals to workplaces for the entire Swedish economy. Based on the analysis of 256,985 workplaces, our results show that firms belonging to...