Prices for different products are interrelated. Demand Market Price Quality Supply Marketing Marketing brings buyers and sellers together. Sellers have a variety of ways they promote a product. People trade to get what they do not produce. They have a greater selection of goods and services to choose from, often at lower costs than would be available at home.
Trade occurs between individuals, organizations, and nations.
Exchange Barter Interdependence International Trade Trade among nations encourages specialization which increases efficiency and world-wide production. Despite its advantages, nations sometimes create barriers to trade. Reasons given for the restrictions include protection of domestic jobs, national security, and promotion of new industries. Quota Tariff Money Money makes exchange easier. Different countries use different currencies.