1. Valuing the attributes of renewable energy investments;Bergmann;Energy Policy,2006
2. Bird, L., Brown, E., 2005. Trends in utility pricing programs (2004). NREL ITP-620-38800. National Renewable Energy Laboratory, Golden, CO.
3. Bird, L., Swezey, B., 2005. Green Power Marketing in the US: A Status Report, eighth ed. NREL TP-620-38994. National Renewable Energy Laboratory, Golden, CO.
4. Bunch, D.S., Louviere, J.J., Anderson, D., 1996. A comparison of Experimental Design Strategies for Multinomial Logit Models: The Case of Generic Attributes. Working Paper, UC Davis Graduate School of Management, Davis, CA.
5. Contingent valuation and real economic commitments: evidence from electricity utility green pricing programmes;Byrnes;Journal of Environmental Planning and Management,1999