We turn our attention to the role of money for determining nominal magnitudes. Using US data, we find that the aggregate “nominal output plus and stock market capitalisation” is closely related to the money stock, lending support to one of Milton Friedman’s key monetarist propositions....

Monetary policies of the ECB and US Fed can be characterised by "Taylor rules", that is both central banks seem to be setting rates by taking into account the "output gap" and inflation. We also set up and tested Taylor rules which incorporate money growth and the euro-dollar exchange rate,...