Money talks: How low can rates go?

Our economics editor, Henry Curr, explores why the global economy is behaving weirdly and how governments and central banks should respond. Also, can freer trade help address climate change? The Economist's editor-in-chief, Zanny Minton-Beddoes, asks Jacinda Ardern, the prime minister of New Zealand, Cecilia Malmström, the EU's trade commissioner, Michael Corbat, CEO of Citigroup, and Tidjane Thiam, CEO of Credit Suisse, at the Bloomberg Global Business Forum. And, how the economics of streaming is changing pop songs. Helen Joyce hosts