Table 3.

Descriptive statistics for variables used in the econometric analysis.

	2006/07		2009/10		2013/14
	Mean	s.d.	Mean	s.d.	Mean	s.d.
Distance to neighbours (km)	94.54	173.0	94.54	173.0	94.54	173.0
Technology transfer (1 = yes)	0.013	0.114	0.127	0.333	0.150	0.358
Distance to technology transfer (km)	1.079	4.390	8.673	23.50	12.05	28.39
Lag weighted dist. tech. transfer (IV)	–	–	0.013	0.039	0.124	0.151
Access to improved seed (yes = 1)	0.195	0.396	0.195	0.396	0.186	0.390
Distance to improved seed (km)	17.32	36.46	18.47	42.10	21.54	48.15
Lag weighted distance seed (IV)	–	–	0.191	0.221	0.201	0.184
Age head (years)	46.81	12.08	46.81	12.08	46.81	12.08
Education head (years)	1.713	2.647	1.713	2.647	1.713	2.647
Male head (1 = yes)	0.936	0.246	0.942	0.233	0.914	0.280
Household size (no.)	6.295	2.250	6.368	2.358	5.772	2.089
Dependents (%)	43.70	20.49	40.21	19.62	35.98	21.60
Off-farm income (1 = yes)	0.276	0.447	0.246	0.431	0.282	0.450
Land owned (ha)	2.215	1.308	2.257	1.299	2.122	1.281
Initial asset ownership (USD)	398.4	560.7	398.4	560.7	398.4	560.7
Walking distance to market (min)	196.5	84.50	196.5	84.50	196.5	84.50
Average rainfall past 5 seasons (mm)	598.0	47.65	622.4	52.93	599.2	50.91
St. dev. rainfall past 5 seasons (mm)	97.70	15.50	57.85	12.64	81.18	12.04
Black soil (yes = 1)	0.969	0.174	0.969	0.174	0.969	0.174
Sandy soil (yes = 1)	0.777	0.416	0.777	0.416	0.777	0.416
Mixed soil (yes = 1)	0.246	0.431	0.246	0.431	0.246	0.431
Observations	606		606		606