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.
Williamstown is a borough in Dauphin County, Pennsylvania, 38 miles (63 km) northeast of Harrisburg. Formerly, Anthracite coal mines were here, as well as hosiery mills. In 1900, 2,904 people lived here, and 2,934 lived here in 1910. The population was 1,433 at the 2000 census. Williamstown is part of the Harrisburg–Carlisle Metropolitan Statistical Area.