Marketplaces by types of participants: C2C, B2C and B2B

Whereas B2C e-commerce is measured in hundreds of millions of dollars, B2B e-commerce is measured in trillions of dollars. B2B e-commerce is several orders of magnitude larger than B2C e-commerce. The major business models used in the B2B arena are e-distributor, e-procurement, exchanges, industry consortia, and private industrial networks. ................
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