Reducing energy demand and increasing energy efficiency are seen as major elements of the ongoing transformation of energy systems in multiple national and international programs like the EU 20-20-20 targets. Despite the predominately socio-economic nature of energy demand such interdisciplinary...

This paper evaluates an intervention that randomized information letters about energy efficient investments and behaviors among 120,000 customers of two utilities in Germany. We find that conservation effects differ considerably between both utilities, ranging from a precisely estimated zero...

Despite a common EU directive on energy efficiency in residential buildings, levels of energy efficiency differ vastly across European countries. This article analyses these differences and investigates the effectiveness of different energy efficiency policies in place in those countries. We...