In response to the covid-19 pandemic governments have pumped huge amounts of cash into economies and the role of central banks is changing dramatically. Host Rachana Shanbhogue asks Henry Curr, The Economist's economics editor, whether this heralds a new era of macroeconomics. Economists Ken Rogoff and Claudia Sahm look at what else policymakers can do—should interest rates go negative? And, banking in the shadows. Please subscribe to The Economist for full access to print, digital and audio editions: www.economist.com/podcastoffer   See acast.com/privacy for privacy and opt-out information.