Value Chain Analysis of Highland Bamboo (Yushania alpina) in Banja District, Awi Zone, Ethiopia

Table 10

Determinants of the market supply of bamboo culms.

Variable	Coefficient	Robust std err	t-value	P|t|
Age	−0.328	0.947	−0.35	0.729
Education
Can read and write	−0.841	22.705	−0.04	0.971
Attend primary school	32.498	27.759	1.17	0.244
Attend secondary school	−36.080	38.594	−0.93	0.352
Family size	−3.153	6.367	−0.50	0.621
Value addition	−11.128	19.192	−0.58	0.563
Land allocated for bamboo	209.705	120.014	1.75	0.083
Distance to the market	−42.504	23.622	−1.80	0.075
Quantity of culm harvested	0.556	0.046	12.08	0.000
Price	1.359	1.501	0.91	0.367
Frequency of extension contact	4.179	5.821	0.72	0.474
Access of market information	49.588	28.035	1.77	0.080
Silviculture management	52.886	24.415	2.17	0.033
Constant	−16.24	108.794		0.882
R-squared		0.89
Adj. R^2		0.88
F (13, 108)		61.23
Prob > F		0.000
N		122
Root MSE		97.601

Source: field survey result, 2020.