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.
Westfield is a city in Hampden County, in the Pioneer Valley of western Massachusetts, United States. It is part of the Springfield, Massachusetts Metropolitan Statistical Area. The population was 40,072 at the 2000 census. The ZIP Code is 01085 for homes and businesses, 01086 for Westfield State College and U.S. Post Office boxes.