Information commodity is kind of information product which can satisfy certain need of the society and can be used to exchange with something. Information commodity owns unique characteristics deferred from physical goods. The transaction methods of information commodity are special. Starting with presenting the two transaction modes “sale” and “rent”, this paper chiefly discusses three kinds of transaction methods of information commodity, that is, one-time transaction, multi-time transaction, and band transaction, based on the analysis of the specialties of information commodity.
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