The article discusses how financial market shocks can affect the economy and interest rates. It suggests that central banks can use real-time data on inflation, output, interest rates, and monetary aggregates to adjust their policies. By focusing on the growth rate of a specific monetary aggregate called Divisia, central banks can make better decisions without needing to know all the details of the model. This approach leads to stable and predictable monetary policies, even when there is uncertainty about the factors influencing financial shocks.