When benchmarking production units by non-parametric methods like data envelopment analysis (DEA), an assumption has to be made about the returns to scale of the underlying technology. Moreover, it is often also relevant to compare the frontiers across samples of producers. Until now, no exact...

The paper introduces a novel framework for classifying different types of national political economies. It applies the outlined framework to analyse in an historical perspective the development of one mature renewable energy sector (onshore wind) and one infant renewable energy sector (offshore...