Trade is a basic economic concept involving the buying and selling of goods and services, with compensation paid by a buyer to a seller, or the exchange of goods or services between parties. Trade can take place within an economy between producers and consumers. International trade allows countries to expand markets for both goods and services that otherwise may not have been available to it. It is the reason why an American consumer can pick between a Japanese, German, or American car. As a result of international trade, the market contains greater competition and therefore, more competitive prices, which brings a cheaper product home to the consumer.Trade broadly refers to transactions ranging in complexity from the exchange of baseball cards between collectors to multinational policies setting protocols for imports and exports between countries. Regardless of the complexity of the transaction, trading is facilitated through three primary types of exchanges.