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.
Valparaiso is a city in Porter County, Indiana, United States, and is the southeasternmost suburb of the Chicago metropolitan area. It is the county seat of Porter County. The population was 27,428 at the 2000 census, making it the 2nd largest city in Porter County.