• The euro is fragile; it's OK

• A top-down European Fiscal Rule

• What about policy normalization?

• What's wrong with fiscal space?

• Creating a decentralized Europe

• Public Debt Sustainability

• Fiscal rules for Europe

• Olivier in Wonderland (a comment on the AEA presidential address by Blanchard)

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•  The difficult normalization of the ECB, Finanz und Wirtschaft August 8, 2022

• Debt sustainability in times of large uncertainties, Finanz und Wirtschaft, May 30, 2022.

• Les banques centrales face à l'inflation: peuvent mieux faire, Le Temps, 19 septembre 2022

• Uber files, un débat qui porte à faux, Le Temps, 22 juillet 2022