An Exploratory Pledging Framework of Crowdfunding for Utilities Tunnel Engineering Project

Table 1

Statistical description of main variables of crowdfunding based on debt.

Variable	Mean (%)	Standard deviation	Min (%)	Max (%)
Interest rate	12.15	0.0288231	8.00	17.00
Maturity revenue rate	4.00	0.0182574	2.00	8.00
Investment revenue rate	2.79	0.0059931	1.53	3.78