Joachim Nagel, president of Germany’s Bundesbank, spoke to CNBC on the sidelines of an ECB conference in Portugal.

ECB board member Isabel Schnabel warns that the US-Iran peace deal won't resolve eurozone inflation, urging further rate hikes despite falling oil prices.

Joachim Nagel, president of Germany’s Bundesbank, spoke to CNBC on the sidelines of an ECB conference in Portugal.