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.
Columbus is a city in Columbia and Dodge Counties in the south-central part of the U.S. state of Wisconsin. The population was 4,479 at the 2000 census. Columbus is located about 28 miles northeast of Madison on the Crawfish River. It is part of the Madison Metropolitan Statistical Area. Nearly all of the city is located within the Town of Columbus in Columbia County, though a small portion lies the Town of Elba in Dodge County. Columbus has the closest Amtrak station to the city of Madison.