Bidding Strategy Model of Medicine in Composite Base Price Based on Game Theory

摘要

Medicine bidding purchasing is a typical competitive activity of game nature，and game theory can be used to analyze the price strategies that bidders may take under different bidding rules and the motivations of the bidders who offer prices lower than the cost under the circumstance of over-competition. In order to improve the efficiency of the medicine circulation market, bidding mechanism must be perfect and transparent. Meanwhile, market permission system should be established perfectly so as to abate over-competition and eliminate some enterprise's unfair action of bidding price less than the cost. Composite bidding base price is compound formed based on the base price of both bidders and tender, generally we take the arithmetic mean of the bidding quotations together multiplied by the corresponding weight with the tender base multiplied by the corresponding weight as a pre-tender evaluation. This article first accurately calculate the tender offer which could get the perfect score, and then find f the offer range of the highest point, in which the offer in this context could win the subject matter.It will prove that compound bidding price is rational and feasible by analyzing compound bidding price with its bidder strategy and comparing bidding under compound bidding price and single stage sealed biding.