Estimation of conservation value of myrtle (Myrtus communis) using a contingent valuation method: a case study in a Dooreh forest area, Lorestan Province, Iran

Forest Ecosystems

Table 4 Estimated regression coefficient of the most effective variables of the logit model

Variable	Estimated coefficient	Standard deviation	t-value	p value	Elasticity	Marginal effect
Constant coefficient	1.97	1.097	1.796	0.073	0.881	–
Education^a	0.049	0.024	2.031	0.042	0.284	0.121 × 10⁻¹
Household size^b	−0.581	0.081	−7.159	0	−1.26	−0.144
Monthly income^b (in thousand Rials)	0.0027	0.0003	8.998	0	1.732	0.665 × 10⁻³
BID (Rials)	−0.0018	0.0002	−9.122	0	−1.8	−0.456 × 10⁻³

Likelihood ratio statistic = 157.656, probability (LR statistic) = 0, McFadden R-square = 0.234, Percentage of right predictions = 0.76, ^aStatistical significance at 5 % level. ^bStatistical significance at 1 % level