Analysis of marginal opportunity cost of agricultural water in the Shiyang river irrigation works;

An introduction was given to some models related to water resources value, including the shadow price model, the marginal opportunity cost model, the current benefit model, the supply-demand pricing model, the CGE model,and the model based on fuzzy mathematics,and the advantages and disadvantages of various models were analyzed.

To overcome the loss of coal cost and internal costs turning to external costs,the connotation and research methods of the full cost of coal are analyzed in detail based on the theory of marginal opportunity cost.

Furthermore, it will perfectly confirm the direction of development of international free trade if two new concepts in time investment- time cost of opportunity and marginal time cost of opportunity are put into the international free trade, and the gain and loss and distribution in interest of both sides of trade are analyzed with the criterion-the dimensions of both time inve.

The third part of this paper estimates the priceof ULR according to margin social costs (MSC) and points out the Price of ULR including twoparts (MPC and MEC).

Application of marginal cost analysis to water resources development;

The Energy Tax Policy Decision-making Model Based on Marginal Cost Constraint;

Research on coordination of supply chain with increasing marginal costs

This paper considers the output in the condition that marginal costs of oligopolies are unequal, and revises and improves the Stackelberg s model.