There is a new book about how counterfeits and economic rent are eroding trust in consumer markets. There is an extended excerpt available at The Walrus.
… Walmart’s checkout machines have allegedly been inflating the weight of groceries. The corporate giant settled, for $45 million, a class-action lawsuit which accused it of falsely inflating the weight of certain grocery items, mislabelling the weight of bagged produce, and overcharging for sold-by-weight clearance products, forcing customers to pay more for them than their lowest advertised price. Talk about a raw deal.
) this definitely looks like an interesting read. 