The idea of an individual's or a household's carbon footprint is how much that person or household contributes to climate change. All anthropogenic climate change is caused by humans (by definition), so let's
Burt, Oscar R., and Durward Brewer. "Estimation of net social benefits from outdoor recreation." Econometrica: Journal of the Econometric Society (1971): 813-827.
Cameron, Trudy A., W. Douglass Shaw, Shannon E. Ragland, J. Mac Callaway,
When dichotomous choice CVM data has a negative WTP problem, one of the standard corrections is to estimate a log-linear model and present the median WTP. With many estimated log-linear models the mean