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.
Madison is a city in Madison County and partially in St. Clair County, Illinois, United States. The population was 4,545 at the 2000 census. It is home to Gateway International Raceway and the first Bulgarian Orthodox church in the United States.