A rather large literature argue that firms and households do not improve energy efficiency by investing in new technology despite that is cost-effective to do so. If this is the case people would be able to reduce their energy bills and spend their money on more pleasurable things. We argue that...

Incomplete information may be one reason why some households do not invest in energy efficiency even though it would benefit them to do so. Energy performance certificates (EPCs) have been promoted to overcome such information shortages. In this paper, we investigate whether EPCs together with...

A large body of literature shows that the provision of social comparisons can cause households to reduce residential energy and water use. In this paper, we carry out a field experiment that contributes to this literature in two important ways. First, we study a social comparison treatment that...