Amortization

July 30, 2009

Amortization is the term given to the process in which an amount increases over a certain period of time. It is used in several different contexts, and as such, it can refer to a wide variety of amounts that are increasing. Examples would be mortgage loans, interest rates and sinking funds.

In the world or business, amortization refers to a certain sum amount being divided into different installments. This form of amortization is used mainly for loans and other types of finances, such as related interest. The debts from these loans are gradually repaid over a certain amount of time, in regular installments.

An amortized analysis is when the cost of executing certain operations is determined through a series of mathematical operations. A formula is available to calculate the amortization, and it does this by using the principal amount that is borrowed, the periodic payment, the periodic interest rate, and the total number of payments. These calculations help to come up with an amortization schedule. An amortization schedule is a table which clearly shows the details of each and every periodic payment of a loan, usually a mortgage, and these payment details are usually produced by an amortization calculator.

Amortization can also be used when it comes to zoning regulations. It frequently depicts the time that a property owner has to relocate once the property can no longer be used as a result of a pre-existing non-conformation zoning regulation.

When it comes to repaying installments of loans, amortization repayment models are a bit different to the regular models. This is because the repayment requires to be carried out for both the interest as well as the principal.


Negative amortization can also exist, and usually occurs when the amount that needs to be repaid increases because the person in debt is not paying the interest in full, or is unable to pay the interest at all. If this is the case, the amount that therefore remains in interest, which is called the unpaid interest, is then added to the existing loan balance, so that the final amount to be repaid becomes larger than the original amount. It is also called deferred interest.


Amortization is mainly used in loans and sinking funds. The payments are separated into equal amounts, and these dividends remain in this way for however long the loan may last, so that it is one of the simplest models for repayment. However, there is a difference in how the payments are made over the time taken to repay the loan. A larger amount of the payment is first applied to the interest, found at the beginning of the amortization schedule, while a larger amount is added to the principal when the schedule shifts to the end of the loan repayments.

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Written by Uncle Sam · Filed Under Mortgage and Loan 

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