Table 6.
Maximum likelihood estimates of second-stage Heckman selection estimation of determinants of market participation intensity.
| Variables | Truncated regression |
|||
|---|---|---|---|---|
| Coefficient | Std.Er. | Z | P > Z | |
| Sex of household | -.148 | .200 | -0.74 | 0.458 |
| Household size | .1256∗∗∗ | .044 | 2.82 | 0.005 |
| Education level | .121∗∗∗ | .020 | 6.05 | 0.000 |
| Years of experience | .043∗∗∗ | .011 | 3.82 | 0.000 |
| Enset land | .259 | .423 | 0.61 | 0.540 |
| Livestock ownership | -.262∗∗∗ | .062 | -4.21 | 0.000 |
| Credit access | .234 | .155 | 1.51 | 0.130 |
| Frequency of extension contact | .089 | .057 | 1.55 | 0.121 |
| Access to raining | .131 | .143 | 0.91 | 0.361 |
| Perception on price | .017 | .079 | 0.22 | 0.823 |
| Market information | -.231 | .135 | -1.71 | 0.087 |
| Market distance | .018 | .011 | 1.56 | 0.118 |
| Access to transport | -.115 | .133 | -0.87 | 0.387 |
| Quantity produced | .002∗∗∗ | .0003 | 7.87 | 0.000 |
| Off/non-farm income (log) | -.038∗∗ | .0189 | -2.01 | 0.045 |
| _cons | -1.403∗∗∗ | .4004 | -3.50 | 0.000 |
| Mills lambda | .155∗∗ | .0763 | 2.04 | 0.042 |
| Rho | 0.839 | |||
| Sigma | .185 | |||
Source: own survey (2019), ∗, ∗∗ and ∗∗∗ indicates 10%, 5% and 1% of significance probability level.