Skip to main content

Table 8 Marginal effects (m-change, delta option of a five-unit change above the base value and percentile changes) of selected significant parameters

From: Valuing the water supply: ecosystem-based potable water supply management for the Legedadie-Dire catchments, Central Ethiopia

  Fixed Uncorrelated Correlated
Change p value Change p value Change p value
Income
 1 8.179 0.004 2.113 0 8.582 0.005
 SD 22.48 0.004 5.808 0 23.588 0.005
 Marginal 8.179 0.004 2.113 0 8.582 0.005
 Delta(5) 40.895 0.004 10.567 0 42.912 0.005
 5% to 95% 58.34 0.004 15.074 0 59.335 0.005
Price
 1 − 1.937 0 − 1.935 0 − 1.756 0
 SD − 14.806 0 − 14.79 0 − 13.423 0
 Marginal − 1.937 0 − 1.935 0 − 1.756 0
 Delta(5) − 9.687 0 − 9.676 0 − 8.782 0
 5% to 95% − 45.529 0 − 45.478 0 − 41.276 0
Education
 1 0.043 0.032 0.055 0.041 0.082 0.02
 SD 0.711 0.032 0.903 0.041 1.348 0.02
 Marginal 0.043 0.032 0.055 0.041 0.082 0.02
 Delta(5) 0.217 0.032 0.276 0.041 0.412 0.02
 5% to 95% 1.862 0.032 2.365 0.041 3.529 0.02
Quality
 1 5.464 0.001 5.499 0.001 5.426 0.001
 SD 12.966 0.001 13.048 0.001 12.876 0.001
 Marginal 5.464 0.001 5.499 0.001 5.426 0.001
 Delta(5) 27.321 0.001 27.494 0.001 27.131 0.001
 5% to 95% 31.094 0.001 31.29 0.001 30.877 0.001
Quantity
 1 2.936 0.027 2.903 0.031 2.715 0.033
 SD 5.09 0.027 5.032 0.031 4.708 0.033
 Marginal 2.936 0.027 2.903 0.031 2.715 0.033
 Delta(5) 14.68 0.027 14.513 0.031 13.576 0.033
 5% to 95% 12.81 0.027 12.664 0.031 11.846 0.033
Average prediction 52.046   47.338   60.847