FDI brings capital, technology, and market access but also creates foreign ownership of productive assets and potential profit repatriation. Host countries benefit if regulations ensure spillovers, local employment, and competitive markets. Volatility of FDI flows creates macroeconomic risk; sudden stops can trigger crises.
From your study of trade and development, you know that international economic integration can accelerate growth — but the mechanism matters. Trade involves exchanging goods across borders. Foreign Direct Investment (FDI) goes further: a firm in one country establishes or acquires productive operations in another. When Toyota builds an assembly plant in Thailand, or Unilever opens a factory in Nigeria, that is FDI. Unlike portfolio investment (buying stocks or bonds), FDI involves direct managerial control of foreign assets, which means the investor brings not just capital but also technology, management practices, and access to global supply chains.
The theoretical case for FDI benefiting developing countries is straightforward. Poor countries are capital-scarce, so foreign capital should earn higher returns there and flow in to exploit the gap. Along with the capital come technology spillovers: local workers learn new techniques, local suppliers must meet higher quality standards, and competing domestic firms adopt better practices to survive. These spillovers can raise productivity economy-wide, not just within the foreign-owned firm. South Korea, China, and Vietnam are frequently cited as countries that used FDI strategically to climb the technology ladder, attracting foreign manufacturers and then building domestic capacity to compete with them.
But the benefits are far from automatic. FDI can create enclave economies — foreign firms operating with imported inputs and expatriate managers, connected to global supply chains but disconnected from the local economy. Profits are repatriated to headquarters rather than reinvested locally. Multinational firms may exploit weak environmental or labor regulations, engaging in a "race to the bottom" where countries compete by lowering standards rather than raising productivity. Whether FDI generates genuine spillovers depends heavily on the host country's absorptive capacity — its education levels, institutional quality, and domestic firm capabilities. Without these complementary conditions, foreign investment may extract value rather than create it.
The macroeconomic risks of FDI are equally important. While FDI is generally more stable than portfolio capital flows (you cannot move a factory as easily as you can sell a bond), it still responds to global financial conditions and investor sentiment. Sudden stops — rapid reversals of capital inflows — can devastate developing economies that have become dependent on foreign investment to finance current account deficits. The 1997 Asian financial crisis illustrated how quickly capital can flee, triggering currency collapses and recessions. This is why development economists emphasize that FDI policy requires careful regulation: attracting foreign capital while ensuring it generates local employment, technology transfer, and competitive markets rather than dependence and vulnerability.