Agricultural extension and its effects on farm productivity and income: insight from Northern Ghana

Table 3 Effects of ACDEP extension programmes on yield, farm and household income

Outcome variable	Regression on covariates		Regression on propensity score		Heckman treatment effects
Outcome variable	Coefficient	SE	Coefficient	SE	Coefficient	SE
Maize yield (kg/ha)	0.011	0.039	0.012	0.040	0.113^a	0.018
Maize farm income (total sales in GH¢/ha)	0.135	0.120	0.113^c	0.063	1.113^a	0.192
Total household income (GH¢)	0.361^a	0.038	0.233^a	0.043	0.853^a	0.153
Total household income per capita	0.347^a	0.043	0.216^a	0.048	1.104^a	0.194

^a,b,cdenote 1, 5 and 10% significance levels, respectively. SE denotes standard errors

ISSN: 2048-7010