It is well known that the balance sheets of most major central banks significantly expanded in the aftermath of the financial crisis of 2007-2011, but the consequences of this expansion are not well understood. This book develops a unified framework to explain how and why central bank balance...

The paper answers three questions.(1) Does it matter if a central bank suffers a large capital loss? (2) Can the central bank become insolvent? (3) When, how and by whom should the central bank be recapitalised?

The author provides a rigorous analysis of Milton Friedman's parable of the "helicopter" drop of money a permanent/irreversible increase in the nominal stock of fiat base money rate which respects the intertemporal budget constraint of the consolidated Central Bank and Treasury - the State....