The organized setting of what the public will be charged for certain products or services agreed to by competitors in the marketplace in violation of the SHERMAN ANTI-TRUST ACT (15 U.S.C.A. § 1 et seq.).
Horizontal price-fixing involves agreements to set prices made among one particular class of sellers—such as producers, wholesalers, or retailers.
Vertical price-fixing occurs between different categories of the sellers of products and services, such as between a manufacturer and wholesaler, wholesaler and distributor, or distributor and retailer.