The large customers who satisfy some qualification can directly enter the regional electricity transaction center of the regional electricity market(but they must take on certain cross-subsidization,which is shared according to each kWh based on certain standard.

The related cross-subsidization is emphatically researched, and a think of collecting cross-subsidization by two manners, i.

Research on cross subsidy mechanism of telecommunication industry;

whether the selling price should reflect the actual supply cost or adopt cross subsidy,needs to be studied from economic and social welfare.

This paper analyzes this measure taken in Hangzhou in the light of the cross subsidization strategy in management, and gives a further elaboration on the mode and meaning of the application of the cross subsidization strategy in tourism, as well as the conditions and risks involved in the process.

The formula indicates that there is a natural cross subsidization in the services pricing of telecommunication industry,and unpuzzles some dilemmas of telecommunication industry development nowadays.