Adoption equation (adoption > 0, non-adoption = 0)
|
Intercept
|
0.4353
|
0.5662
|
0.1377
|
0.7802
|
Gender of household head
|
0.4700
|
0.2104
|
0.0320
|
0.8914
|
Marital status of household head
|
0.6969
|
0.0309*
|
0.3353
|
0.0535*
|
Labor availability equivalent
|
− 0.1123
|
0.3164
|
− 0.0284
|
0.5384
|
Geometric mean of adult’s age
|
− 0.0046
|
0.6442
|
− 0.0103
|
0.0890*
|
Weighted education variable
|
0.0409
|
0.2394
|
0.0105
|
0.5833
|
Knowledge on ISVs in years
|
6.2918
|
0.9969
|
5.9261
|
0.0042***
|
Log total household income
|
0.0029
|
0.8202
|
− 0.0105
|
0.2757
|
Quality of extension services
|
0.0980
|
0.0042**
|
0.0483
|
0.0295**
|
Intensity of research activities
|
− 0.5194
|
0.0474*
|
0.4872
|
0.0407**
|
Market participation
|
0.3692
|
0.3757
|
0.4954
|
0.0090***
|
Use credit to buy inputs
|
0.1038
|
0.7843
|
0.2036
|
0.4593
|
Singida
|
0.1200
|
0.6517
|
− 0.3409
|
0.0100**
|
Kilimanjaro
|
− 0.6328
|
0.2068
|
− 0.9936
|
0.0002***
|
Shinyanga
|
0.0317
|
0.9315
|
− 0.0797
|
0.7388
|
Information constraint (present = 1, not present = 0)
|
Intercept
|
0.3039
|
0.2614
|
0.7776
|
0.0175**
|
Log total household income
|
− 0.0145
|
0.1265
|
− 0.0204
|
0.0847*
|
Quality of extension services
|
0.0201
|
0.3850
|
− 0.0222
|
0.4034
|
Knowledge on ISVs in years
|
− 0.0642
|
0.0001***
|
− 0.0610
|
0.0209**
|
Intensity of research activities
|
− 0.2509
|
0.1476
|
− 0.3116
|
0.1690
|
Market participation
|
− 0.1276
|
0.5881
|
− 0.2113
|
0.4087
|
Use credit to buy inputs
|
− 0.5157
|
0.2916
|
− 0.5202
|
0.4207
|
Capital constraint (present = 1, not present = 0)
|
Intercept
|
9.6076
|
0.0000***
|
5.0496
|
0.0000***
|
Log total household income
|
− 0.6369
|
0.0000***
|
− 0.3503
|
0.0000***
|
Quality of extension services
|
− 0.0364
|
0.2636
|
− 0.0209
|
0.3308
|
Knowledge on ISVs in years
|
− 0.7864
|
0.0001***
|
− 0.5884
|
0.0010***
|
Intensity of research activities
|
0.0938
|
0.6657
|
0.0747
|
0.7636
|
Market participation
|
− 0.8787
|
0.1359
|
− 0.4442
|
0.0565*
|
Use credit to buy inputs
|
− 1.1272
|
0.1920
|
− 1.5583
|
0.0499***
|
Sigma
|
1.8722
|
0.0001***
|
2.0558
|
0.0001***
|
ρ12
| | |
− 0.9061
|
0.0001***
|
ρ13
| | |
− 0.9077
|
0.0001***
|
ρ23
| | |
0.8885
|
0.0001***
|
Log-likelihood
|
− 1299.9
|
0.0783*
|
− 1285.2
|
0.0089**
|
Vuong test
|
29.1980
|
0.0001***
|
29.1780
|
0.0001***
|