| ln[Maize yield (kg/ha)] | ln[Maize income (GHC/ha)] | ||||
---|---|---|---|---|---|---|
 | Pooled OLS | FE | CRE | Pooled OLS | FE | CRE |
Minor FAW infestationa | − 0.071 | − 0.031 | − 0.128 | − 0.837 | − 0.476 | − 0.811 |
 | (0.084) | (0.128) | (0.168) | (0.691) | (0.610) | (0.704) |
Moderate FAW infestationa | − 0.211** | − 0.107 | − 0.214 | − 0.861 | − 0.599 | − 0.872 |
 | (0.098) | (0.182) | (0.208) | (0.780) | (0.973) | (1.024) |
Major FAW infestationa | − 0.263* | − 0.108 | − 0.202 | − 1.036 | − 0.386 | − 0.700 |
 | (0.142) | (0.175) | (0.200) | (0.887) | − 0.888 | (0.942) |
Control variables included | Yes | Yes | Yes | Yes | Yes | Yes |
Region fixed effects | Yes | No | Yes | Yes | No | Yes |
Mean of time varying variables included | No | No | Yes | No | No | Yes |
R-squared | 0.3134 | 0.0136 | 0.3348 | 0.1414 | 0.0094 | 0.1581 |
F / Wald chi2 | 12.20*** | 2.50*** | 526.58*** | 5.24*** | 1.86** | 150.68*** |
Hausman test chi2b | Â | 27.15* | Â | Â | 26.01* | Â |
F test that all u_i = 0c |  | 1.84*** |  |  | 1.36*** |  |
Observations | 740 | 740 | 740 | 740 | 740 | 740 |