BBC World Business hears from best-selling French economist Thomas Piketty, and asks Irwin Stelzer whether Piketty's theories on wealth distribution could ever become policy.
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This photograph shows a Dassault Rafale aircraft parked on the tarmac of the French Air and Space Force Luxeuil-Saint-Sauveur Airbase in Saint-Sauveur, France, on March 18, 2025. (Ludovic Marin/AFP via Getty Images)