The market for payment cards is inherently two sided. Consumers benefit from increased merchant acceptance of payment cards and vice versa. To quantify the interdependence of consumer and merchants or network externalities, we construct and estimate a structural two-sided model of a payment...

Who uses mobile money? What is mobile money used for? This paper describes the mobile money adoption patterns following the experimental introduction of mobile money for the first time in rural areas of Southern Mozambique. We use a combination of administrative and household survey data to...

Many studies on household energy efficiency investments suggest that a wide range of seemingly profitable investments are not taken up. This paper provides novel evidence on the main factors behind consumer choices using the OECD Survey on Household Environmental Behaviour and Attitudes. The...

Different field trials and corresponding acceptance studies with new technologies have been carried out between 2010 and 2013 at the Chair of Energy Economics at the Karlsruhe Institute of Technology (KIT). Those involved Electric Vehicle (EV) users, Liquefied Petroleum Gas (LPG) and Compressed...