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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

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