Thirdly , the water rights and their trading institutions have been studied in details . the trading incentives and criteria of water resources have been drawn up . according to marketing economy , new trading institutions , including leasing via temporary market , sale and leaseback and option development etc . , have been developed , in which the standard steps for leasing via temporary market have been involved and a price model of option development has been founded , too 进行水权与交易机制的研究，提出了进行水资源交易的诱因和交易的基本原则，根据市场经济学提出了采用通过临时市场交易、售出再租回及采用期权等方法进行水权交易，研究了售出再租回的标准步骤，采用期权理论建立了水资源的期权交易价格模型。
