from the perspective of ways of price determination on construction contracts,the system of changed circumstances has been controversial in civil law of our country,which is not applicable to construction contracts.

This paper, through the labor and its value determination ways, reaches the conclusion that labor is unitary with the creation and consumption.

The remuneration patterns in construction contract include total price,unite and cost plus fee,this text use《Construction Contract》as the template to parse remunerations,which is be bound up with engineering economy benefit and final engineering balance of accounts and can easily restrict opposite party.

Two-sided markets theory is one of the hotspots of industrial organization theories of recent years,platform of two-sided market has three kinds of pricing mode: subscription fee,transaction fee and two-part tariff.

The efforts made by a contractor are mainly determined by the pricing model and pricing parameters.

Two key factors must be considered to determine the ways of initial public offer (IPO) and pricing model in Chinese Second Board, i.