Using Spike Model to Evaluate the Effect of Zero Responseon Welfare Measurement—Evidence from the Willingness to Pay for the Ecological Compensation of the Yangtze River Basin in Nanjing Section
DU Li-yong, CAI Zhi-jian, YANG Jia-meng, JIANG Zhan
JOURNAL OF NATURAL RESOURCES . 2013, (6): 1007 -1018 .  DOI: 10.11849/zrzyxb.2013.06.011