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Do Banks Require Savings to Accommodate Demand for Lending?


There is an emerging view held by many commentators that it is banks and not the central bank that are key for the expansion of money. This way of thinking is promoted these days by the followers of the post Keynesian school of economics (PK).[1] In a research paper by the Bank of England’s Zoltan Jakab and Michael Kurnhof, they suggest that

In the intermediation of loanable funds model of banking, banks accept deposits of pre-existing real resources from savers and then lend them to borrowers. In the real world, banks provide financing through money creation. That is they create deposits of new money through lending, and in doing so are mainly constrained by profitability and solvency considerations.[2]

It seems that for the researchers at the Bank of England and PK followers the key for money creation is demand for loans, which is accommodated by banks increasing lending. In this framework, banks do not have to be concerned with the means of lending, all that is necessary here that there is a demand for loans, which banks are going to accommodate i.e. demand creates supply.

According to the Bank of England researchers,

In the real world, the key function of banks is the provision of financing, or the creation of new monetary purchasing power through loans, for a single agent that is both borrower and depositor. The bank therefore creates its own funding, deposits, in the act of lending, in a transaction that involves no intermediation whatsoever. Third parties are only involved in that the borrower/depositor needs to be sure that others will accept his new deposit in payment for goods, services or assets. This is never in question, because bank deposits are any modern economy’s dominant medium of exchange.[3]

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