This paper,based on double marginalization problem of successive monopolistic upstream and downstream firms,analyses the pricing behavior of these firms under price-cap regulation and rate-of-return regulation when they aren t suitable to integrating vertically because of high transaction cost.

The present author holds that the dual value embedded in puns marks a deviation from language norms, and ca.

To explore the alteration of microglias and the expression of glutamate transporter in microglias in focal cerebral infarct, immunohistochemical and immunofluorescence double staining techniques were used in the study.

Some developed countries, such as United States, Japan and EU, have adopted double standards in international trade towards developing countries, introducing the unbalanced economic development into international trade.

In view of the incorrect records of and comments on the three prime ministers by The Song-Dynasty History,it argues that historians should maintain an objective and impartial point of view in their study of historical figures,applying no double standards thereto.

This paper analyzes the two opposing phenomena and points out that ancient rulers had double standards to treat hermits with great subjective random,but that their starting point was the same is surprising.

A Research of the "Double Standard" of American Foreign Policy after the Cold War;

Then we realize that double standard is one of the politic characteristics of the USA human rights.

Double standard about sex existed in both HK and Guangzhou,with higher score among students in Guangzhou.