It is advisable for many firms to participate in foreign direct investment, it can provide a source of new technologies, capital, processes and products. When firms take interest in foreign direct investment they must realize that there are certain requirements that should be met, primarily the need for competitiveness of the firm. Foreign direct investment can prevent firm's know-how from being used by other firms, thus maintaining a comparative advantage on the market. Countries that receive foreign direct investment can develop the human capital resources by getting their employees to receive training on the operations of a particular business. Firms may wish to participate in foreign direct investment to widen their export base for goods or services. Foreign direct investment is important to allow developing countries to have greater access to research and development. By participating in foreign direct investment, a firm might receive benefits in form of tax concessions.