Many networks such as the Internet have been found to possess scale-free and small-world network properties reflected by so-called power law distributions. Scale-free properties evolve in large complex networks through self-organizing processes and more specifically, preferential attachment. New...

There is a growing interest in the academic and policy making communities in understanding the effects of sectoral specialisation on labour market performance. The existing empirical evidence, mainly based on US data, generally finds a positive correlation between sectoral specialisation and...