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Table 7 Effect of NFE on purchased inputs and productivity

From: Nonfarm activity and market participation by farmers in Ghana

Variable Purchased Productivity
Fertiliser Seed Insecticide Herbicide
Age of household head − 0.002 − 0.001 − 0.002 − 0.002 − 4.064**
Average age of household 0.000 − 0.002 − 0.000 − 0.001 2.968
Sex of household head 0.185*** 0.016 0.232*** 0.281*** 42.795
Years of education of head 0.004 0.020*** 0.010 0.008 − 1.135
Area of residence 0.279** 0.145 0.136 0.022 184.058
Farm size in hectares 0.001 − 0.002 0.002 0.003 − 7.056**
Price/kg − 0.012** 0.044*** − 0.001 − 0.009 30.940***
Extension office in community 0.134** − 0.049 − 0.055 − 0.045 − 145.681*
Agricultural wage − 0.004 0.032*** − 0.017*** − 0.005 − 7.557
Ecological zone (base: Coastal):      
 Forest 0.041 0.038 0.437*** 0.467*** − 692.044***
 Savannah 0.907*** − 0.084 0.527*** 0.405*** − 1050.413***
Adult equivalent scale 0.012 0.022* − 0.004 0.007 52.189***
Market in community − 0.169*** 0.078 − 0.029 − 0.049 78.725
Navigable road to community 0.336*** − 0.101 0.338*** 0.453*** − 4.114
Public transport availability − 0.137*** − 0.012 − 0.052 − 0.024 148.564**
Ownership of radio 0.135*** 0.049 0.081* 0.062 − 68.140
Bank in this community − 0.148 0.209** − 0.100 − 0.051 − 90.835
Nonfarm engagement 0.603*** 0.446** 0.722*** 0.871*** 193.277***
Nonfarm engagement residual − 0.345*** − 0.037 − 0.425*** − 0.468*** 431.117***
Control for regional dummies Yes Yes Yes Yes Yes
Constant − 1.507*** − 1.654*** − 1.982*** − 2.283*** 1194.627***
Observations 4915 4915 4915 4915 4915
LR Chi2 538.10*** 314.22*** 101.87*** 105.44***  
F-value      58.47***
Pseudo R2/R2 0.08 0.07 0.02 0.03 0.18
Log likelihood − 3090.44 − 2247.33 − 2220.31 − 1772.91  
  1. Source: Produced by the authors using the GLSS6 Data; *p < 0.1; **p < 0.05; ***p < 0.01