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.
Richvale (also, Richland, Silbys Switch, Silsby) is a small farming community (estimated population 250) in Butte County, California, USA, south of Chico and west of Oroville. The primary crop grown in the area surrounding Richvale is rice, irrigated from the Oroville Dam on the Feather River. Several farmers in the area are known for organic farming. Richvale is located at 39° 29' 38" North, 121° 44' 41" West, 108 feet (33 m) above sea level. The ZIP Code is 95974. The community is inside area code 530.