Freedoms4 logo

Freedoms4

S1 ET DCM1107 Self

Unit 12

Table of Contents

May 25, 2026

Definitions

Interest

The payment or reward given for borrowing money or using capital for a specific period of time.

Gross Interest

The total amount paid by the borrower to the lender for using borrowed money before deducting taxes, service charges, or other expenses.

Net Interest

The actual or pure interest earned or paid after excluding additional charges such as risk, management costs, and inconvenience.

Nominal Rate of Interest

The stated rate of return on a loan or investment without considering the effect of inflation.

Real Rate of Interest

The actual rate of return after adjusting the nominal interest rate for inflation, reflecting the true purchasing power of money.

Liquidity

The ease or availability with which cash or assets can be converted into ready money for immediate use.

Theories of Interest

Theory of InterestEconomist(s)Short Summary
Abstinence Theory of InterestNassau William SeniorInterest is the reward paid to people who abstain from present consumption and save money for productive use.
Bohm-Bawerk’s (Agio) Theory of InterestEugen von Böhm-Bawerk (developed from John Rae’s ideas)Interest arises because people value present goods more highly than future goods; therefore, compensation is needed for postponing consumption.
Fisher’s Time Preference TheoryIrving FisherInterest is the “price of time,” determined by people’s preference for present consumption over future consumption and investment opportunities.
Loanable Funds TheoryKnut Wicksell, Bertil Ohlin, Dennis RobertsonInterest is determined by the demand and supply of loanable funds, including savings, investment, bank credit, and hoarding.
Liquidity Preference TheoryJohn Maynard KeynesInterest is the reward for parting with liquidity; it is determined by the demand for and supply of money.