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.
Summerdale is an unincorporated community located in East Pennsboro Township, Cumberland County, Pennsylvania, United States. As of the 2000 census, the community had a total population of 479. Central Pennsylvania College and the Capital Area Intermediate Unit are located in Summerdale. It is part of the Harrisburg–Carlisle Metropolitan Statistical Area.