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.
Elizabeth is a borough in Allegheny County, Pennsylvania on the east bank of the Monongahela river, where PA Rte. 51 crosses, 15 miles upstream [south] of Pittsburgh and close to the county line. The population was 1,609 at the 2000 census. The borough of Elizabeth is entirely contained within the 15037 USPS ZIP code.