The natural rate of interest is meant to be a guidepost for central bankers - so why is it so hard to pin down? Host Carmel Crimmins is joined by Reuters Editor at Large for markets Mike Dolan to talk through the elusive concept and what it means for investors and consumers. Plus, join us in Istanbul to hear about the strain on borrowers when central banks lose their guidepost and have to hike rates to find their way back.

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