| |
Conventional SPF
|
Selection
|
|---|
|
Pooled
|
Participant
|
Non-participant
|
Participant
|
Non-participant
|
|---|
|
Coef
|
se
|
Coef
|
se
|
Coef
|
se
|
Coef
|
se
|
Coef
|
se
|
|---|
|
Cons
|
5.568***
|
0.756
|
5.011***
|
0.000
|
5.615***
|
0.917
|
5.92418***
|
0.4524
|
4.96669***
|
0.667
|
|
Value_fertilizer
|
0.003***
|
0.001
|
0.003***
|
0.000
|
0.003***
|
0.001
|
.00267***
|
0.0003
|
.00406***
|
0.001
|
|
Value_seed
|
0.558***
|
0.173
|
0.579***
|
0.000
|
0.572***
|
0.212
|
.40810***
|
0.0964
|
.72837***
|
0.152
|
|
Value_labor
|
0.012
|
0.023
|
0.076***
|
0.000
|
− 0.003
|
0.030
|
.05214***
|
0.0098
|
− 0.00711
|
0.029
|
|
Land_maize
|
0.410**
|
0.174
|
0.315***
|
0.000
|
0.415*
|
0.212
|
.49672***
|
0.1002
|
.25527*
|
0.152
|
|
Off_farm
|
− 0.002
|
0.015
| | | | | | | | |
|
Sigma
|
0.091***
|
0.007
|
0.033***
|
0.005
|
0.106***
|
0.010
| | | | |
|
Sigma(u)
| | | | | | |
.21502***
|
0.0033
|
.42371***
|
0.014
|
|
Sigma(v)
| | | | | | |
.01373**
|
0.0059
|
.04182***
|
0.012
|
|
Rho(w,v)
| | | | | | |
.96882***
|
0.0905
|
− 0.40401
|
1.579
|
- *Significance at 10% level
- **Significance at 5% level
- ***Significance at 1% level
