Amortization

Amortization is the gradual writing off of the cost of an intangible asset or the scheduled repayment of a debt over time. In accounting, amortization allocates the cost of an intangible asset, such as a patent, licence, or goodwill, over its useful life. In finance, amortization refers to the reduction of a loan balance through periodic payments.

Accounting Amortization

In accounting, amortization is the process of allocating the cost of an intangible asset over the periods in which it is expected to contribute to the firm's revenues. It is analogous to depreciation, which applies to tangible assets. The expense is recorded on the income statement, and the carrying value of the asset on the balance sheet is reduced accordingly.

The useful life of an intangible asset is estimated at acquisition, and the cost is allocated over that period. For assets with indefinite lives, such as some brands and goodwill, impairment testing replaces systematic amortization in some accounting regimes. The choice of method and of useful life affects reported profit and asset values.

Amortization of Debt

In finance, amortization refers to the repayment of a loan principal over time through scheduled payments. A fully amortizing loan has payments that cover both interest and principal, so that the balance is reduced to zero by the end of the term. The payment schedule may be level, as in a standard mortgage, or graduated, with lower payments initially that rise over time.

The amortization schedule shows the breakdown of each payment into interest and principal. Early payments consist largely of interest, while later payments consist largely of principal, reflecting the declining balance on which interest is charged. The schedule depends on the interest rate, the term, and the frequency of payments.

Related Concepts

Amortization is distinguished from depreciation, which applies to tangible assets, and from depletion, which applies to natural resources. The three concepts share the function of allocating the cost of an asset over the periods it benefits, but they apply to different types of assets.

Amortization also differs from impairment, which is a write-down of the value of an asset when its recoverable amount falls below its carrying value. Impairment reflects a change in the value of the asset, while amortization reflects the systematic allocation of cost over time.

Applications

Amortization is important for financial reporting, for taxation, and for the analysis of debt. It affects reported earnings and the valuation of assets, and it shapes the cash flows of borrowers and lenders. In project finance and real estate, the amortization schedule determines the pattern of debt service and the build-up of equity.

The analysis of amortization informs the assessment of a firm's financial position and of its capacity to service debt. It also informs decisions about the structure of loans and the terms of financing, and it is a central element of the analysis of lending and borrowing.

Amortization Schedules

An amortization schedule sets out the periodic payments on a loan and the allocation of each payment between interest and principal. The schedule is derived from the loan amount, the interest rate, the term, and the frequency of payments. It provides a complete picture of the cash flows associated with the loan.

The pattern of the schedule reflects the declining balance. In the early periods, interest constitutes a large share of the payment and principal a small share. As the balance declines, the interest component falls and the principal component rises, so that the later payments consist largely of principal.

Types of Loans

Loans differ in their amortization structures. Level-payment loans have constant payments and a schedule in which the principal component grows over time. Graduated-payment loans have payments that rise over time, allowing borrowers to manage cash flows that are expected to increase.

Balloon loans have a large payment at maturity, reflecting the amortization of only part of the principal over the term. Interest-only loans have payments covering only interest for an initial period, after which amortization of principal begins. The choice of structure depends on the borrower's circumstances and on the lender's assessment of risk.

Amortization and Taxation

The amortization of intangible assets and the depreciation of tangible assets affect taxable income, since the expense is deductible in many jurisdictions. The rules governing amortization for tax purposes, including the periods over which assets must be written off, affect the after-tax cost of investment.

The interaction between accounting and tax amortization varies across jurisdictions. In some cases, the two coincide, while in others, they are governed by different rules. The differences affect the reported profit and the tax liability of the firm, and they are relevant to the analysis of tax policy and of corporate finance.

Applications in Valuation

Amortization is used in the valuation of assets and of businesses. The treatment of intangible assets and of their amortization affects the assessment of the value of a firm and of its earnings. Analysts adjust reported figures to obtain measures of cash flow and of sustainable earnings, removing the effects of amortization where appropriate.

The concept is also used in project finance, where the amortization of the project debt determines the distribution of cash flows among the parties and the build-up of equity. The design of the amortization schedule affects the risk borne by lenders and sponsors, and it is a central element of project structuring.

See also

• Dividend
• Financial Asset
• Tax Base