It is now 10 years since the Great Financial Crisis (GFC) engulfed the world. At the time, following an unparalleled build-up of leverage among households and financial institutions, the world’s financial system was on the brink of collapse. Thanks to central banks’ concerted efforts and their accommodative stance, a repeat of the Great Depression was avoided. Since then, historically low, even negative, interest rates and unprecedentedly large central bank balance sheets have provided important support for the global economy and have contributed to the gradual convergence of inflation towards objectives. Still, central banks were largely left to bear the burden of the recovery, with other policies, not least supply side structural ones, failing to take the baton. These actions by central banks helped lay the groundwork for the resumption of growth that we now see. But, in the process, they have been one factor behind the legacy of swollen private and public sector balance sheets and higher debts that shapes the road ahead. As the global economy reaches or even exceeds potential, it is time to take advantage of the favourable conditions to put in place a more balanced policy mix to promote a sustainable expansion. However, the path ahead is a narrow one.[…]