Blog post

Currency Wars: What do effective exchange rates tell us?

Publishing date
09 November 2010

In November, South Korea joined the ranks of countries striving to limit the upwards pressure on their currency when two lawmakers submitted a parliamentary proposal to impose various taxes on foreign capital inflows and outflows. If any of these measures pushes through, South Korea would become the first (traditionally financially liberalised) OECD country to reinstate capital controls. This brings the list of countries intervening directly, indirectly or considering intervention to more than 23. This is an unwelcome and disturbing, but hardly surprising, development: as policy rates in the US are at near-zero levels and monetary policy is geared towards managing the yield curve in order to meet domestic objectives, emerging countries throughout the world are scrambling to protect themselves from the negative spillovers in the form of massive capital inflows...

About the authors

  • Jean Pisani-Ferry

    Jean Pisani-Ferry is a Senior Fellow at Bruegel, the European think tank, and a Non-Resident Senior Fellow at the Peterson Institute (Washington DC). He is also a professor of economics with Sciences Po (Paris).

    He sits on the supervisory board of the French Caisse des Dépôts and serves as non-executive chair of I4CE, the French institute for climate economics.

    Pisani-Ferry served from 2013 to 2016 as Commissioner-General of France Stratégie, the ideas lab of the French government. In 2017, he contributed to Emmanuel Macron’s presidential bid as the Director of programme and ideas of his campaign. He was from 2005 to 2013 the Founding Director of Bruegel, the Brussels-based economic think tank that he had contributed to create. Beforehand, he was Executive President of the French PM’s Council of Economic Analysis (2001-2002), Senior Economic Adviser to the French Minister of Finance (1997-2000), and Director of CEPII, the French institute for international economics (1992-1997).

    Pisani-Ferry has taught at University Paris-Dauphine, École Polytechnique, École Centrale and the Free University of Brussels. His publications include numerous books and articles on economic policy and European policy issues. He has also been an active contributor to public debates with regular columns in Le Monde and for Project Syndicate.

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