Table 5.
Results of fund willingness to pay and determinants

Category	1-Step: Willingness to pay			2-Step: Determinant
	Coefficient	Standard error	p-value	Coefficient	Standard error	p-value
Frequency of visiting	−0.214	0.100	0.033**	−219.667	151.624	0.147
Use satisfaction	0.345	0.112	0.002***	255.723	173.867	0.141
Re-visit intention	−0.066	0.131	0.616	−77.287	165.212	0.640
Natural resources defense intention	0.110	0.104	0.289	304.563	152.212	0.045**
Volunteering participation intention	0.094	0.112	0.402	101.263	153.611	0.510
Gender	−0.094	0.207	0.651	60.222	298.137	0.840
Age	−0.300	0.085	0.000***	−432.687	122.074	0.000***
Income	0.111	0.068	0.100	43.982	101.030	0.663
Education level	0.109	0.120	0.363	251.389	190.515	0.187
Residence	−0.012	0.187	0.948	−60.062	269.118	0.823
Intercept	−0.879	1.100	0.424
Log(scale)				7.762	0.045	0.000

p<0.1
p<0.05
p<0.01