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. By supporting existing companies in North Rhine-Westphalia through foreign direct investment, aggregate demand may be increased. Foreign direct investment may stimulate the export and import of a country, consequently increasing the variety and quality of available goods. It is advisable for many firms to participate in foreign direct investment, it can provide a source of new technologies, capital, processes and products. Foreign direct investment inflow results in an increase in the number of employment opportunities for people living in the host country. Foreign direct investment is able to succeed in promoting economic development and growth to the host nation. Foreign direct investment may grant access to countries that represent some of the large and growing global markets.