This paper analyzes the generative mechanism of highway vehicle weight regulation using transaction cost economics(TCE).

The research on uncertainty in transaction cost economics focuses more on behavioral uncertainty but neglects technological un- certainty.

Using the thought of transaction cost economics which belongs to new institutional economics,the paper analyzes institutions on loan of farm finance.

All the economic indicators and cost formation of the thermodynamic process were obtained by calculating the thermoeconomic cost of each component.

Research on Economic Cost of Natural Resources Assets from the View of Rights and Interests Achievement of Different Objects;

The paper points out the present fixed exchange-rate system has alredy hindered the convey of policies and is not adaptable to the present macroeconomic situation after analyzing its economic cost and the effect of the macroecomic policies, and draws a conclusion according to the swan model that presently the truly managerial floating exchange-rate system is the optimal choice.

There is a defect in classical model,Geometric Brown Motion,in which random jump is not allowed in describing time varying stock price some random jump were added to Geometric Brown Motion and the effect of executive stock option on economic value of company economic cost as well as executive,s economic value were discussed.

In this paper,the connotation,types and composition of the economic costs of urbanization are discussed and the economic costs of urbanization in Chongqing municipality are calculated according to its economic and social development.