 London's Blackwell Hall became a centre for cloth, Bristol became associated with a particular type of cloth known as "Bristol red", Stroud was known for producing fine woollen cloth, the town of Worsted became synonymous with a type of yarn; Banbury and Essex were strongly associated with cheeses.In the market economy, goods are ungraded and unbranded, so that consumers have relatively few opportunities to evaluate quality prior to consumption.Consequently, supervision of weights, measures, food quality and prices was a key consideration.