Can using logarithms overcome scope insensitivity bias?
I did not think of using Google Scholar. In fact the first result that appeared was, while acknowledging that it existed, impressively critical of the notion that scope insensitivity was an inevitable fact of CV (contingent valuation) surveying. “First, the scope insensitivity hypothesis is strongly rejected (p<.001) by two large recent in-person contingent valuation studies, Carson, Wilks and Imber (1994) and Carson et al. (1994), which used extensive visual aids and very clean experimental designs to value goods thought to have substantial passive use considerations." "Rejection of the generic insensitivity to scope in CV surveys should not be taken to imply that one cannot design a CV questionnaire and administer it in such a way as to find scope insensitivity. Indeed this can be done fairly easily. The remedies for the problem are straightforward in concept but often difficult and expensive in practice to implement. The respondent must (i) clearly understand the characteristics of
