We conduct an empirical analysis of the technical efficiency of cars sold in Germany in 2010. The analysis is performed using traditional data envelopment analysis (DEA) as well as directional distance functions (DDF). The approach of DDF allows incorporating the reduction of carbon dioxide...

The focus of this paper is the empirical evaluation of the German Accelerated Vehicle Retirement program, that was implemented in January 2009 to stimulate automobile consumption. To adress this question a monthly dataset of new car registrations owned by private consumers from March 2001 until...