The implementation of power bidding is an important measure and an inevitable trend in the commercialization of power.

The implementing of electricity bidding is an im portant action during the realization of electricity market.

The linear programming model for solving generation bidding problem is described, and the computing procedure isthen illustrated by means of a two-unit case as an example.

The basic concept of the network flow program ming NFP method including the model and algorithm for dual- NFP and sim plex- NFP in the generation bidding is introduced firstly.

Generally,the dynam ic programm ing method can be used in the generation bidding in order to solve unit com mitm ent and power dispatch problems,in which the start- up cost and start- off constraints can be implemented in unit com mitm ent m odels,while in the power dispatch m odel the dropping characteristics of bidding curve can be handled.

Study on Initial Public Offerings Underpricing of Chinese Stock Market;

This study on the underpricing of Chinese A shares IPOs samples data from 1,007 listed stocks on the Shanghai and Shenzhen exchange markets.

IPO underpricing is a widespread phenomenon of global IPO market, and atpresent it is also one of the most intriguing thorny issues of the internationalfinancial circles.

This article tests the relationship between offering price discount and the motivation of large stockholder using data from 105 listed companies that issued new shares through private offering during February 2006 to June 15 2007.

Using stepwise and Chow-test to regress total 226 companies under authorization system, examination system and fixed p/e (price-to-eamings) system, this paper gives some important conclusions: 1) comparing to the authorization system, the fiscal information in the offering price increases distinctly under the examination.