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.
Chapin is an unincorporated community in northern Franklin County, Iowa, United States. It lies along local roads just off U.S. Route 65, north of the city of Hampton, the county seat of Franklin County. Its elevation is 1,155 feet (352 m), and it is located at 42°50′1″N 93°13′20″W / 42.83361°N 93.22222°W / 42.83361; -93.22222 (42.8335814, -93.2221464). Although Chapin is unincorporated, it has a post office with the ZIP code of 50427, which opened on 29 February 1860.