Variables | Crops | ||||
---|---|---|---|---|---|
Soft wheat | Durum wheat | Barley | Lentils | Chick peas | |
Constant | 31.015** (2.34) | 0.777n.s (0.05) | 19.530 n.s (0.59) | − 76.273** (− 2.28) | 15.528n.s (0.63) |
Ln number of tractors | − 2.811* (− 2.01) | − 0.802n.s (− 0.56) | − 3.935 n.s (− 1.04) | 7.148* (2.12) | − 1.467n.s (− 0.58) |
Ln fertilizer quantity | 0.234*** (6.03) | 0.202*** (7.36) | 0.133 n.s (1.81) | 0.153** (2.41) | 0.223*** (3.01) |
Ln loans | − 0.017* (− 2.11) | − 0.014* (− 2.15) | − 0.035* (− 1.96) | − 0.044** (− 3.04) | − 0.017 n.s (− 1.33) |
Ln number of employees | 0.199n.s (0.52) | 0.298n.s (0.89) | 0.423n.s (0.49) | − 1.350n.s (− 1.73) | − 0.144n.s (− 0.19) |
Ln soft wheat area | − 0.183 n.s (− 1.07) | – | – | – | – |
Ln durum wheat area | – | 0.295n.s (1.62) | – | – | – |
Ln barley area | – | – | 1.505n.s (1.69) | – | – |
Ln lentils area | – | – | – | 0.701** (2.28) | – |
Ln chick peas area | – | – | – | – | 0.133n.s (0.52) |
Crisisa | − 0.183n.s (− 1.69) | − 0.219** (2.31) | 0.177n.s (0.55) | − 0.797*** (− 3.29) | − 0.195n.s (− 1.16) |
Sigma | 0.065 | 0.060 | 0.159 | 0.127 | 0.119 |
Log-likelihood | 12.306 | 15.345 | 1.386 | 3.103 | 2.966 |