That is why the risk management effort is so important. The Reinhart and Rogoff study that I cited earlier assembled some interesting data on the size and duration of impacts from financial crises in history. They found that the average duration of impact from a major financial crisis on variables like output and employment was about four to five years.
The BER also contributes towards sound monetary policy by conducting the quarterly inflation expectations survey on behalf of the South African Reserve Bank, which, as you know, is an important piece of information for an inflation-targeting central bank.