Table 2 Estimation results of the asymmetric translog production function.
Inputs | Tomato | Cucumber |
---|---|---|
land | − 3.436*** (0.95) | − 0.629 (0.65) |
seed | 1.669** (0.84) | − 0.501 (0.40) |
fertilizer | − 0.277 (0.63) | − 0.497 (0.62) |
Organic fertilizer | 1.303** (0.66) | 0.694 (0.58) |
Land*land | 0.279 (0.19) | 0.096 (0.09) |
Land*seed | − 0.011 (0.13) | 0.004 (0.11) |
Land*fertilizer | 0.466*** (0.16) | 0.137 (0.14) |
Land*organic fertilizer | 0.078 (0.10) | − 0.087 (0.10) |
Seed*seed | − 0.091 (0.09) | 0.142* (0.07) |
Seed*fertilizer | − 0.069 (0.09) | 0.077 (0.07) |
Seed* organic fertilizer | − 0.216* (0.12) | − 0.076 (0.08) |
Fertilizer*fertilizer | − 0.064 (0.20) | − 0.032 (0.09) |
Fertilizer* organic fertilizer | − 0.266** (0.11) | − 0.065 (0.09) |
ORGANIC fertilizer * organic fertilizer | 0.063 (0.07) | 0.096 (0.08) |
Pesticides | 0.005 (0.01) | − 0.016* (0.01) |
Capital | 0.061*** (0.01) | 0.013 (0.01) |
Labor | 0.032** (0.01) | 0.036** (0.02) |
Open-field relative to greenhouse | − 0.165* (0.09) | 0.247*** (0.07) |
Time trends | 0.042*** (0.01) | 0.036*** (0.01) |
Constants | 2.285*** (0.42) | 2.480*** (0.35) |
Number of observations | 577 | 583 |