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Table 2 Heckman Joint maximum likelihood estimates of the selection equation (robust standard errors)

From: The differential impact of employment in agriculture on wages for rural and non-rural Palestine

Variable Non-rural population Rural
Coeff. Se P value Coeff. Se P value
Household head works in agriculture 10.078 0.036 0.000 9.201 0.065 0.000
Household size 0.056 0.003 0.000 0.043 0.004 0.000
Total household wage income −0.001 0.000 0.000 −0.003 0.000 0.000
2001 dummy −0.046 0.050 0.360 −0.101 0.057 0.079
2006 dummy −0.063 0.052 0.232 0.189 0.042 0.000
Never married 0.609 0.033 0.000 0.751 0.037 0.000
Schooling −0.045 0.003 0.000 −0.038 0.003 0.000
Constant −3.048 0.045 0.000 −2.662 0.053 0.000
Rho −0.017 0.019   −0.010 0.024  
Sigma 0.381 0.005   0.346 0.006  
Lambda −0.006 0.007   −0.003 0.008  
Chi2 (1) 0.760   0.384 0.170   0.679