In the immediate aftermath of the global financial crisis, the world economy was characterized as experiencing a “two-speed” recovery. Industrialized nations, where the crisis occurred, saw slow growth whereas many emerging market and developing countries grew significantly. These growth differentials, coupled with significant interest rate differentials across the globe, triggered significant flows of financial capital to the emerging market and developing countries. As a result, many countries experienced sharp appreciations of their currencies and associated concerns about the development of asset bubbles.
Two of these countries were South Korea and South Africa. Between 2009 and 2011 currency appreciation in each country was from close to 20 and 40 percent respectively and stock prices doubled. This triggered significant political debates in each country over what to do. Interest groups lined up along predictable lines. In South Korea and South Africa the financial sector was dead set against any intervention by the government, as they perceived themselves to be “winners” of the cheap credit and cross-border finance entering and leaving these nations at will. In South Korea, exporters were split. Some were in lock-step with the financial sector, especially the shipping industry that was using the carry trade to not only hedge currency risk but also to speculate for more profit. Others, such as US auto firms operating in South Korea, were quite concerned about the impact of exchange rate volatility on their competitiveness and asked the government to take action. However, the financial authorities in South Korea still had the 1990s and global financial crisis in their memory and overpowered interest groups to create a set of traditional and innovative measures from taxes on inflows to limits on the speculative positions of foreign exchange derivatives.