Implications for Decision Making and Environmental Policy
New Horizons in Environmental Economics series
Appendix 4: Summary of results from regression of weighting/ascendancy function
Appendix 4: Summary of results from regression of weighting/ ascendancy function When the qualitative and quantitative results of the 23 respondents used in the analysis were collected together and analysed, two were discarded (respondents G&H) due to inconsistencies in the responses. In both cases the qualitative response to the questions asking them which gain and which loss scenarios they would weight highest (Q17 and Q18) was not consistent with the scenarios to which they had allocated the greatest weight quantitatively (Q19 and Q20). In both cases at the time of the interviews, in comparison to the other interviewees, much less time was taken during the weighting exercise, suggesting that little attention had been paid to the questions. 215 Weighting Respondent function Model diagnostics Intercept signiﬁcant yes no correct correct yes no 0.83 (0.79) 0.62 (0.37) 0.93 (0.87) 0.84 (0.80) 0.80 (0.66) No problems No problems No problems yes (0.03) 0.91 (0.84) 0.54 (0.42) 0.71 (0.51) 0.97 (0.95) 0.75 (0.68) 0.69 (0.49) No problems no Possible multicollinearity DW inconclusive DW inconclusive no y not correct correct correct correct correct y not correct correct y not correct x yes, y not no y not correct no, (x = 0.052) y not no yes yes no, (x = 0.051) y not yes yes yes no (0.09) yes yes no yes Equation signiﬁcant Coefﬁcient F-test signs Coefﬁcients signiﬁcant (0.05) R-sq. (Adjusted R-sq.) A: all gain φ = 0.64x0.5–0.06y2 φ = 0.41x0.5–0.03y2 loss φ = 0.70x0.5–0.09y2 B: all gain φ = 0.66x0.5–0.09y2 φ = 0.62x0.5–0.07y2 loss...
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