Hajo Riese (FU Berlin) was a pioneer of the "Berlin School of Monetary Keynesianism", particularly in the 1980s and 1990s. His research work was based on the roots of monetary theory in the work of J. M. Keynes, with a particular focus on the theory of capital and interest rates. While in Keynes...

The current debate whether zero interest rates are caused by a saving glut or a liquidity glut is resolved by the distinction between the market and the natural rate, where saving affects only the latter variable, and monetary policy mainly the first. This topic is linked to a second one: the...