Table 4 Base model and latent class model results
MNL | Latent class model | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Class 1 | Class 2 | Class 3 | Class 4 | Class 5 | |||||||
Variable | Coeff. (S.E.) | Coeff. (S.E.) | WTP (€/bottle) | Coeff. (S.E.) | WTP (€/bottle) | Coeff. (S.E.) | WTP (€/bottle) | Coeff. (S.E.) | WTP (€/bottle) | Coeff. (S.E.) | WTP (€/bottle) |
ASC | 0.45*** (0.99) | − 2.12*** (0.38) | / | − 4.30*** (0.37) | / | − 0.30 (1.20) | / | 1.33*** (0.22) | / | 5.22*** (1.72) | / |
Price | − 0.23*** (0.01) | − 0.01 (0.01) | / | − 0.15*** (0.02) | / | 0.04 (0.07) | / | 0.05*** (0.02) | / | 0.01 (0.24) | / |
Collio | 0.19** (0.07) | 0.50*** (0.11) | / | − 0.87*** (0.16) | − 5.89 | − 2.49 (1.57) | / | 0.11 (0.16) | / | − 5.35 (6.66) | / |
Friuli VG | 0.56*** (0.08) | 0.71*** (0.12) | / | − 1.06*** (0.19) | − 7.18 | 4.12*** (0.77) | / | 0.89*** (0.17) | / | − 4.12 (4.93) | / |
Winescape | 0.05 (0.07) | 0.17 (0.11) | / | − 0.29 (0.24) | / | 0.89 (0.88) | / | − 0.03 (0.15) | / | − 0.27 (9.23) | / |
Carbon Footprint | 0.57*** (0.09) | 0.98*** (0.14) | / | − 0.15 (0.32) | / | 0.34 (1.03) | / | 0.08 (0.20) | / | − 1.04 (9.66) | / |
DOCG | 0.31*** (0.09) | 0.34** (0.16) | / | 0.93*** (0.28) | 6.25 | 0.10 (0.87) | / | 0.27 (0.21) | / | 0.88 (9.26) | / |
DOC | 0.35*** (0.08) | 0.46*** (0.12) | / | 0.59*** (0.25) | 3.98 | − 0.59 (0.82) | / | 0.21 (0.17) | / | 1.27 (9.21) | / |
Average probability | 0.52 | 0.12 | 0.06 | 0.14 | 0.16 | ||||||