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Lesson 12 min 20 XP

International Capital Flows

How money moves across borders, why capital flows can be both essential and destabilizing, and the debate over controls.

The Rivers of Global Finance

International capital flows take several forms, each with different stability and development implications. Foreign direct investment (FDI) -- building factories, acquiring companies -- is the most stable and development-friendly. Portfolio investment -- buying stocks and bonds -- is more volatile, flowing in during good times and rushing out during crises. Bank lending and short-term debt are the most dangerous: they create mismatches between short-term borrowing and long-term investment that can trigger crises when sentiment turns.

Global cross-border capital flows peaked at roughly $12 trillion in 2007, collapsed during the 2008 financial crisis, and have never fully recovered. The composition has shifted: FDI and portfolio flows have recovered, but cross-border bank lending has shrunk. China has become both a major source and destination of capital flows, complicating the traditional picture of capital flowing from rich to poor countries.