A model of profits switches between four regimes with fixed probabilities; the rationally expected profits stream implies the stock market value. This efficient market model is not rejected by UK post-war time-series behaviour of either profits or the FTSE index.

Monetary developments of recent decades began with much promise with inflation targeting by independent central banks; the financial crisis of 2007 ushered in a period of great monetary instability. There are lessons for a return to more stability. Central banks need to stabilize money supply...