1. Willingness to pay for curbside recycling with detection and mitigation of hypothetical bias;Aadland;American Journal of Agricultural Economics,2003
2. Alfnes, F., Steine, G., 2005. None-of-these Bias in Hypothetical Choice Experiments, Discussion Paper DP-06/05. Department of Economics and Resources Management, Norwegian University of Life Sciences, Aas.
3. Consumers’ willingness to pay for the color of salmon: a choice experiment with real economic incentives;Alfnes;American Journal of Agricultural Economics,2006
4. Anderson, S., Harrison, G., Lau, M., Rutström, E., 2007. Dual Criteria Decisions, Working Paper 06-11. Department of Economics, College of Business Administration, University of Central Florida.
5. Confidence intervals to bound the value of time;Armstrong;Transportation Research Part E,2001