While the literature on the incidence and wage effects of over-education is substantial, specific results for doctoral graduates are surprisingly scarce. This article aims to fill this gap, not only by measuring the prevalence of over-educated PhD holders in Europe (i.e. in EU Member States and...

While the literature on the incidence and wage effects of over-education is substantial, specific results for doctoral graduates are surprisingly scarce. This article aims to fill this gap, not only by measuring the prevalence of over-educated PhD holders in Europe (i.e. in EU Member States and...

This study contributes to the literature on the relationship between trade, labour and environmental sustainability by providing empirical evidence at the firm level. For this purpose, it first explores whether exporting firms are more likely than non-exporting firms to adopt green measures....