Achtnicht, Martin (2009), German Car Buyers' Willingness to Pay to Reduce CO2 Emissions, ZEW Discussion Paper No. 09-058, Mannheim. Download

Andreas Ziegler, Individual Characteristics and Stated Preferences for Alternative
Energy Sources and Propulsion Technologies in Vehicles: A Discrete Choice Analysis.

Achtnicht, Martin, Georg Bühler und Claudia Hermeling (2008), Impact of Service Station Networks on Purchase Decisions of Alternative-fuel Vehicles, ZEW Discussion Paper No. 08-088, Mannheim. Download