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Table 4 Full information maximum likelihood estimates of yield equations of endogenous switching regression model

From: Impact of farmer education on farm productivity under varying technologies: case of paddy growers in India

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)
  1. The dependent variable is log (yield). Symbols ***, **, and * indicate statistical significance at 99, 95, and 90% confidence level. Figures within the brackets are standard errors. Here, average education refers to the average education of the household