Introduction
The creation of credit or deposits is one of the most vital operations of the commercial banks. Similar to other corporations, banks aim at earnings profits. For this intention, they accept cash in demand deposits and advance loans on credit to customers. When a bank advances funds, it does not pay the amount in currency notes. However, it introduces a current account in the name of the investor and lets him to withdraw the necessary amount by cheques. By this way, banks create deposits or credit.
Demand deposits mount in two ways:
The first type of demand deposits is termed “primary deposits”. Banks play a passive play in introducing them.
The second type of demand deposits is termed as “derivative deposits”. Banks actively create deposits.
As per Withers,
Banks can generate credit by introducing a deposit, every time they advance a loan.
Dr.Leaf and practical bankers do not agree with this outlook. As per them,
The Progression of Credit Creation
Now let us see the real progression of credit creation.
A bank can lend parity to its surplus reserves. However, the whole banking system can lend and create credit up-till a multiple of its nominal surplus funds deposits.
The deposit multiplier is based upon the required reserve which is the foundation of credit creation.
Metaphorically, the required reserve ratio is given as:
RRr = RR
D
Or RR = RRr x D
Where RR is the required cash reserves with banks, RRr is the required reserve ratio and D is the demand deposits of banks.
To represent that D is based on RR and RRr, we have divide both sides equally by RRr like the following:
RR = RRr x D
RRr RRr
Or RR = D
RRr
Or 1 = D
RRr RR
Or D = 1 x RR
RRr
Where 1 / RRr, is the reciprocal of the percentage ratio and is termed as the deposit expansion multiplier. It ascertains the bounds of the deposit expansion of a bank.
The optimum amount of demand deposits which the banking system can support with any specified value of RR is by applying the multiplier to RR.
Taking the original variation in the amount of deposits (ΔD) and in cash reserves (ΔRR), it follows from any specified percentage of RRr.
ΔD = RR x 1
RRr
To know more, let us see a small illustration.
Illustration 53
Presume RRr for the banks is fixed at 10 percent and the initial variation in cash reserves is $ 2000.
Determine the maximum increase in demand deposits with using the above formula.
Solution:
ΔD = 2,000 x 1
0.10
= $ 20,000
This is the extent to which the banking system can create credit. The above equation can also be expressed as follows:
ΔD = RR (1 + (1-RRr) + (1-RRr)^2 + ……. + (1-RRr)^1
The sum of the arithmetic progression within bracken specified:
1 = 1
1 – (1-RRr) RRr
ΔD = ΔRR x 1
RRr
The deposit enlargement multiplier rests on the postulations that banks lend out all their surplus and RRr remains invariable.
To describe the procedure of credit creation, we make the succeeding postulations.