Horizontal markets : two markets are horizontally related if the two goods in question are substitutes or complements in production or consumption. Dr.
George Davis's (2005) 3 examples of horizontally related markets are:portable CD players and portable cassette players (substitutes)French fries and hamburgers (complements)new text books and used text books (substitutes)An easier definition of a horizontal market is a market that "Sell materials or services that any company needs, not those used for manufacturing or production. Services include MRO, benefits management, and procurement process management. Examples: Ariba Network, CommerceOne's MarketSite.net, EmployEase. Synonyms: functional market, hub. (See MRO.)"
[1] Staples Office Supply sells to a variety of customers, not just
B2B. AppleOne is an employee resources group, offering staffing solutions to a variety of business, not just one in particular. Others serve horizontal markets for goods and services that can be found in many different industries, such as office equipment or transportation.
See more at Wikipedia.org...