Just days before the G20 summit in Toronto, South Korea and Indonesia announced several policy measures to regulate potentially destabilising capital flows which could pose a threat to their economies and financial systems. The policy measures announced by South Korea and Indonesia assume greater significance because both countries are members of the G20. In 2010, South Korea chairs the G20.

On 13 June 2010, South Korea announced it would be imposing currency controls which are much wider in scope than foreign exchange liquidity controls announced earlier in 2009. The policy measures have three major components:

First, there…