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.
Tiller is an unincorporated community in Douglas County, Oregon, United States. It is located on Oregon Route 227 and the South Umpqua River, in the Umpqua National Forest. Tiller was named for Aaron Tiller, who settled in the locality. Tiller post office was established in 1902.