Studies regarding the migrants' impact upon performance variables and in particular upon productivity growth - which is the focus of this study - are few although there has been an increased interest in this area. This study addresses this issue in a cross-country and regional perspective with a...

The EU has been promoting unbundling of the transmission grid from other stages of the electricity supply chain with the aim of fostering competition in the upstream stage of electricity generation. At presence, ownership unbundling is the predominant form of unbundling in Europe. However, the...