Joey and Jason plan to open a music store targeting retirees by selling rap CDs. Businesses contribute to society through job creation and tax revenue. Barriers to entry refer to obstacles that make it difficult for new competitors to enter an industry. Goods industries typically face higher barriers due to costs of factories and equipment. Lowering prices may occur in a recession to stimulate demand. A free market economy relies on supply and demand with minimal government intervention, while a planned economy involves more government control over production and resource allocation.