Bidding is an offer (often competitive) of setting a price one is willing to pay for something. A price offer is called a bid. The term may be used in context of auctions, stock exchange, card games, or real estate transactions.
Bidding up means raising a price for an item by a series of rising bids. It may be unlawful, if done by a group of persons with an interest in raising the price. [1] In traditional auctions, bidding up is a natural course of events. Since 1990s, with the emergence of online auctions, reverse auctions gained popularity, in which the traditional roles of buyers and sellers are reversed, and the goal of bidding is to drive the price down, similar to bid shopping practice of selecting a contractor to do a job.
Open bidding is a type of bidding that allows bids from all parties desirous of bidding on a project. Bidding is an environment in which decide the cost of the goals for a organization.