Opinion and media appearance

Regulating oligopolistic exchanges (with X. Vives), VoxEU, July 2021.

Learning from volume: asymmetric information in the foreign exchange market (with A. Gargano, S. Riddiough and L. Sarno), VoxEU, June 2021.

Market shock not due to machines trading, CNBC, Squawk Box Europe, February 2018.

Persistent noise trading, investors' expectation and market meltdowns (with X. Vives), VoxEU, April 2014.

Signal failure, The Economist, October 2012.

Expectations and asset prices: Keynes meets Hayek (with X. Vives), VoxEU, September 2012.