3 Fostering growth An economy that is growing faster can pay investors higher real interest rates. Stronger growth – productivity growth, in particular – would therefore raise the long-term real interest rate. Currently, long-term interest rates are very low. This is, of course, partly related to our monetary policy, but perspectively there is also much to gain from increasing growth potential.
Contrary to what some believe – or wish – it’s not central banks which can put the economy on a 4/6  BIS central bankers' speeches  higher growth path. It’s politicians who hold the key to unlocking economic growth.