Antitrust and Trade Regulation laws aim to promote free competition in the marketplace. Agreements or cooperative efforts by two or more entities that affects or restrains competitors is illegal under these laws. The Sherman Act makes illegal any contract, combination, or conspiracy in restraint of trade or commerce and makes monopolies and attempts, combinations, or conspiracies to monopolize illegal. The Clayton Act regulate price discrimination, tying and exclusive dealing contracts, stock acquisition and interlocking directorates.
Shelbyville is a city in Shelby County, Illinois, along the Kaskaskia River. The population was 4,971 at the 2000 census, with a 2006 U.S. Census population estimate of 4,711. It is the county seat of Shelby County. Shelby Memorial Hospital, located in town, is the county's only hospital.