The choice of the trading mechanism is very important to the market design, which depends on the needs to measure the market quality.
交易机制的选择是市场设计中一个重要内容，取决于市场质量的权衡。
But those ways are not the effective policy choice, the system of water rights should be built and protect effectively the water source by market mechanism.
但这几种方法并不是最为有效的政策选择，应建立以水权为核心的水权制度，通过市场机制实现水资源的有效保护。
Adopting the economic man postulate, public Choice Administration suggests that market mechanism can be led into public sector.
公共选择学派依据“经济人”假设主张将市场机制引入公共部门。
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