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.
Polk City is a city in Polk County, Iowa, United States. The population was 2,344 at the 2000 census; a special census in 2005 counted 2,872 residents. It is part of the Des Moines–West Des Moines Metropolitan Statistical Area. Polk City is located along Saylorville Lake and near Big Creek State Park.