Table 4 Full information maximum likelihood estimates of yield equations of endogenous switching regression model
Variable | 1(a) | 2(a) | 3(a) | 4(a) | ||||
|---|---|---|---|---|---|---|---|---|
Adopters | Non-adopters | Adopters | Non-adopters | Adopters | Non-adopters | Adopters | Non-adopters | |
Ecosystem dummy | 0.020 (0.008)** | 0.039 (0.012)** | 0.021 (0.010)*** | 0.031 (0.014)** | 0.019 (0.011)** | 0.091 (0.013)*** | 0.018 (0.008)*** | 0.037 (0.012)*** |
Area under paddy | 0.017 (0.007)** | 0.136 (0.058)** | 0.006 (0.003)* | 0.062 (0.021)** | 0.015 (0.002)** | 0.008 (0.002) | 0.019 (0.006)*** | 0.123 (0.060)** |
Total fertilizer used | 0.002 (0.001) | 0.001 (0.001) | 0.010 (0.001)* | 0.003 (0.002) | 0.012 (0.001)* | 0.003 (0.006) | 0.002 (0.001)* | 0.001 (0.000) |
Total hired labor cost | 1.60e-08 (0.00) | 1.10e-06 (0.00) | 0.003 (0.000) | − 0.001 (0.000) | 1.56e-06 (0.00) | − 0.001 (0.000) | − 2.93e-08 (0.000) | 1.15e-06 (0.00) |
Farmers' education | 0.019 (0.004)* | 0.004(0.003) | ||||||
Education dummy-1 | 0.048 (0.017)** | 0.010 (0.010) | ||||||
Education dummy-2 | 0.036 (0.011)*** | 0.016 (0.008) | ||||||
Average education | 0.002 (0.002) | 0.001 (0.002) | ||||||
Extension contact | 0.009 (0.008) | 0.007 (0.011) | 0.034 (0.031)* | − 0.004 (0.010) | 0.003 (0.001) | 0.003 (0.010) | − 0.001 (0.008) | 0.004 (0.011) |
Soil quality | − 0.002 (0.008) | 0.007 (0.013) | 0.003 (0.017) | 0.005 (0.014) | 0.001 (0.004) | − 0.015 (0.004) | − 0.002 (0.008) | 0.009 (0.013) |
Constant | 7.889 (0.016)*** | 7.738 (0.017)*** | 7.855 (0.023)*** | 7.767 (0.014)*** | 7.015 (0.021)*** | 6.976 (0.025)*** | 7.888 (0.016)*** | 7.748 (0.018)*** |
σ εi | 0.0451 (0.002)*** | 0.054 (0.003)*** | 0.044 (0.002)*** | 0.056 (0.003)*** | 0.048 (0.002)*** | 0.047 (0.002)*** | 0.452 (0.002)*** | 0.055 (0.003)*** |
φ j | − 0.386 (0.311)* | 0.718 (0.417) | − 0.281 (0.312)** | 0.630 (0.308) | − 0.427 (0.230)** | 0.052 (0.391) | − 0.364 (0.321)* | 0.387 (0.460) |