The marginal consumption utility decreases progressively,so do the marginal rate of return of HCI and marginal income of HCI,the best strategy of HCI .

In the face of the dispute about rationality of traffic congestion pricing,this paper analyzed deeply the city road property,marginal cost and cost pricing principle and pointed out that traffic congestion pricing makes the outside cost inside by pricing mean and is a rational regression.

Optimization model of spare parts inventory for civil aircraft based on marginal utility;

Analysis on diminishing marginal utility of network economy

This article analyzes the model according to the payment variable,points out the eight premises,and demonstrates them by building marginal utility model of unemployed men.

Microcosmic Base for Promoting Domestic Demand under the Global Financial Crisis——A Study on MPC of China Inhabitants

This article takes an empirical study on the trend of Chinese urban resident s MPC(marginal propensity to consume) of 1978-2005,with the method of gradient regression.

This paper points out that under the conditions of new economy the co nsumption takes immaterial one to heart, therefore the MPC (marginal propensity to consume) goes up, and several positive data proves this conclusion, and expla ins the sustainable growth and growth recession of the new economy and some othe r problems oc the development of the new economy.

Appraisals of the Methods of Marginal Propensity to Consume;

Chinese urban residents′ consumption structure during ten vears′ period is andlysed,the Engel coefficient is measured and by using extended linear expenditure system,an analysis and forecast of the marginal propensity to consume along with the income elasticity of demand are pro.

Further more some political suggestions were proposed in two aspects,which are increasing the permanent income and raising the relevant marginal propensity to consume,to improve farmer s consume.