The German economy is humming. Tax receipts are pouring in, the labour market is booming, and Germany was and has remained solid as a rock during the euro crisis. That is the current situation. But is Germany also prepared for the digital revolution? A core element of Germany industry (the...

Levels of CO2 emissions from electricity generation in the U.S. have changed considerably in the last decade. This development can be attributed to two factors. First, the shale gas revolution has reduced gas prices significantly, leading to a crowding out of the more CO2-intensive coal for...

Since the 1990s, efficiency and benchmarking analysis has increasingly been used in network utilities research and regulation. A recurrent concern is the effect of environmental factors that are beyond the influence of firms (observable heterogeneity) and factors that are not identifiable...