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.
Purdum is an unincorporated community in northwestern Blaine County, Nebraska, United States. It lies along local roads northwest of the village of Brewster, the county seat of Blaine County. Its elevation is 2,700 feet (823 m). Although Purdum is unincorporated, it has a post office, with the ZIP code of 69157.