In this paper we investigate how strategic aspects influence the choice between e x p o r ting and servicing foreign markets by setting up a plant in the foreign country. We show that tariffs on imports in conjunction with the size of the set up costs i n c u r red while setting up plants and the size of the foreign market will determ i n e whether domestic firms which face competition from a foreign firm will choose to deter foreign direct investment (FDI), prevent exports or may accommodate either f o r m of penetration of a foreign firm in their market. Our analysis reveals that there is no simple relationship between the size of the tariff and the propensity of fore i g n f i r ms to engage in foreign direct investment. Higher tariffs may result in export s rather than FDI. Furt h e rm o r e, due to actual competition among domestic firm s while facing potential competition in the form of FDI, a rise in tariffs may