Growing biomass, even on marginal agricultural land, does require water, as does making electricity.

生长的生物物质，甚至在贫瘠的土地上，也需要水，发电也是如此。

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Briefly presents three mainly used methods for calculating water price: marginal cost method, planned price method and cost method.

阐述了我国目前主要采用的三种水价核算方法：边际成本法、计划定价法和成本核算法。

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The measures of water resources development with technical feasibility can be economically and rationally analyzed by using the marginal cost analysis method.

边际成本分析能对具有技术可行性的水资源开发利用方案作出经济合理性分析。

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If water is priced below marginal cost, the makers of bathroom fixtures (among others) will lack adequate incentives to invest in new technology to make their appliances more efficient.

FORBES: Toilet Training

For starters, consider the fact that the degree of market failure varies from region to region: the difference between the price of water and its true marginal cost must be higher in dry places than wet ones.

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