Table 4.
Variable | Model 1 | Model 2 | Model 3 | Model 4 | ||||
---|---|---|---|---|---|---|---|---|
Estimate | SE | Estimate | SE | Estimate | SE | Estimate | SE | |
Intercept | 0.142 | 0.004*** | 0.133 | 0.020*** | 0.209 | 0.022*** | 0.199 | 0.029*** |
Characteristics of communities | ||||||||
Payment | –0.001 | 3.946E−04** | –9.82E−04 | 3.887E−04* | ||||
Community-based activities | –0.073 | 0.018*** | −0.070 | 0.018*** | ||||
Cooperation between communities | –0.019 | 0.009* | −0.017 | 0.009* | ||||
Cooperation with outside | –0.007 | 0.013 | −0.004 | 0.013 | ||||
Slope | 0.004 | 0.001*** | 0.004 | 0.001*** | ||||
Distance to the town center | 0.728 | 0.110*** | 0.711 | 0.109*** | ||||
Characteristics of farmers | ||||||||
Total farmland | 2.157E−04 | 2.685E−05*** | 2.105E−04 | 2.666E−05*** | ||||
Off-farm income dependency | 0.009 | 0.005 | 0.010 | 0.005* | ||||
Gender | 0.010 | 0.011 | 0.009 | 0.011 | ||||
Age | –4.093E−04 | 2.281E−04 | –4.232E−04 | 2.275E−04 | ||||
Successor | −0.012 | 0.005** | –0.012 | 0.005** | ||||
Labor | 0.001 | 0.001 | 0.001 | 0.001 | ||||
Machine | −0.003 | 0.002 | −0.002 | 0.002 | ||||
Crop type | −0.005 | 0.001*** | −0.005 | 0.001*** | ||||
Sales | −0.016 | 0.002*** | −0.015 | 0.002*** | ||||
Farmer-level variance | 0.030 | 0.030 | 0.029 | 0.029 | ||||
Community-level variance | 0.011 | 0.008 | 0.010 | 0.008 | ||||
Log-likelihood | 1837.5 | 1881.2 | 1883.2 | 1920.4 | ||||
AICc | –3669.1 | –3744.4 | –3742.4 | –3804.7 | ||||
delta-AIC | 135.7 | 60.3 | 62.3 | 0.0 | ||||
AIC weight | 0.00 | 0.00 | 0.00 | 1.00 | ||||
df | 3 | 9 | 12 | 18 | ||||
Number of observations | 6893 | 6893 | 6893 | 6893 | ||||
Number of groups | 836 | 836 | 836 | 836 |
A negative number indicates negative effects
AIC akaike information criterion
***P < 0.001; **P < 0.01; *P < 0.05