Abstract:The contingent valuation method (CVM) is one of the techniques which is most widely used for estimating the value of environmental goods, its main forms can be classified into open ended question and closed ended question formats. It is obviously important to compare the distinction among different forms of CVM. In this paper, we take Ejina Banner as an case to analyze the WTP of restoring ecosystem services and compare the differences among different forms of CVM. We have carried out 500 samples in per...