Money Supply Issues

Monetary supply (physical) circulating in the economy versus money in a bank account (available for bank to loan out as well as for me to withdraw); interest bearingFractional reserve banking (ability to stretch / expand) as you don't need to supply money for all of whats on the books at one time. Wealth tied up in e.g. a house - represents wealth, can raise funds against thatLook up definitions for theseLiquidityhaircuts etc.See e.g. Archegos Capital Management liquidity crisisRelevance here is the money supply question - reduction in asset price -> margin callWho has custody of the stock v who has title; price impactIn general - issues that may have some impact on the money supply