Design Of Fundraising Methods And Optimization Model Based On The Network Auction

Internet auction is developing at an astonishing speed in recent years. Internet can effectively reduce the cost of auction and promote the rapid development of Internet auction. Internet auction has a unique advantage:Internet auction can expand the market of auction goods and sellers online can easily find the relative number of bidders in a short time; Bidders are not limited by the local element. In addition, with the search engine, bidders can be more convenient to find what they want.Financial activities generate as the impulse of the demand of enterprise scale expansion and social capital investment. On one hand, the development of modern financial industry often need the legal financial means to collect idle social capital and promote the development of enterprise by complementary resources. On the other hand, idle fund in society has the potential investment demand for value-added.We put forward a new method of raising funds, namely the electronic commerce auction funding. This method can ignore the geographical limitations with the network platform acrossing, integrate project and investors virtually, greatly reduce the cost of collective bidding. Investors can choose bid scope online and the parties can freely communicate in the bidding process.Relying on the Internet credit evaluation system, we can create a relatively safe trading environment with supervision of all users and both the seller and the buyer can find his reliable trading partner.Considering investment price, demand rate, cycle, risk,we design a multi-winners auction model with a longitudinal price discrimination. Every bid includes both investment amount and rate. Investors can choose different bid range which means different demand interest rate. The purpose of auction is to obtain the maximum benefit and each new tender are likely to influence result of auction. We solve the model with branch and bound method, design example simulation, and introduce reputation mechanism to develop the model.