The neoclassical aggregate production function and the portfolio approach are based on the marginal analysis method that Keynes used.
凯恩斯的边际分析法为新古典的总生产函数的引进以及资产选择理论提供了逻辑基础。
The marginal analysis provides a flexible and effective method, which can be used for the economic decision in many ways.
边际分析法提供了一种灵活而有实效的决策方法，可用于多方面的经济决策。
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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