In his 2016 paper, Wakabayashi argues:(a) that old Keynesian economics, monetarism, and new Keynesian economics are all equally portfolio adjustment theories, or “stock” approaches to the quantity theory of money; (b) that post-war mainstream macroeconomics has been basically such portfolio...

Money stock, defined as the sum of coins, notes, demand and time deposits, decisively affects macroeconomic variables such as GDP and price. Yet its true nature has been obscured in economics. Where does it come from? How are they created, and how much? Concerning money creation under the...