- Wanted: a stronger and better G20 for the global economy (with Ignazio Angeloni), october 2011
- An evaluation of IMF surveillance of the euro area (with André Sapir and Guntram B. Wolff), october 2011
- Europe's growth emergency (with Zsolt Darvas), october 2011
- Rethinking central banking, Bruegel report, september 2011
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