In realisation of the very strategic role of international trade to her economy, Nigeria has since in- dependence in 1960 adopted various policy measures to boost her foreign trade and to expand her external market. The country has adopted certain regulatory measures to change the directional pattern of her foreign trade. Such measures which are also often aimed at other policy objectives (like balance of payments., protection and revenue) include tariff changes, exchange control and quantitative control in form of import quota or complete ban.