# Dictionary

**Equity Risk Premium:** The excess return necessary to warrant investment in risk assets over government bonds. Technically, the difference between the Implied Cost of Capital and the Risk-Free Rate.

**Excess Risk Premium:** The difference between the Total Return and the Prime Borrower Home Lending Rate.

**IM-HEDGE:** Proprietary software developed by IMCO to administer hedges of portfolio Link exposures.

**IM-PORTAL:** The web accessible “front-end” to IM-SOLVER whereby the borrower can download reports and statements and administer its Link exposures.

**IM-SOLVER:** Proprietary software developed by IMCO to administer portfolios of Index Mortgages.

**Implied Cost of Capital:** That discount rate which results in the present value of the dividends expected to result from ownership of a share being equal to the market value of that share.

**Index:** A measure of asset value across time. Changes in Index Value reflect the Total Return of the underlying Reference Asset.

**Index Mortgage:** A mortgage that offers an option to Link.

**Index Participation:** The nominal dollar value of a borrower’s exposure to an Index through a Link.

**Indexed Rate:** The mortgage interest rate that results when a mortgage is Linked to an Index.

**Index Value:** The measure of an Index (denominated in index points) at a particular moment in time.

**Link:** The mathematical association of the mortgage interest rate to the performance of an Index.

**Prime Borrower Home Lending Rate:** The interest rate paid by “prime” borrowers for owner occupied mortgages when the loan to valuation ratio is less than 80%. For the purposes of analysis, we assume the Prime Borrower Home Lending Rate is 1.25% lower than the Standard Variable Rate.

**Reference Asset:** A financial asset or investment mandate, the economic performance of which reflects in changes in Index Values.

**Risk-Free Rate:** The theoretical rate of return offered by an investment that has no risk of financial loss. Since there is no such investment, government bond yields are used as a proxy.

**Standard Variable Rate:** The rate published from time to time by the Reserve Bank of Australia as part of the F5 – Indicator Lending Rate series, specifically the series numbered FILRHLBVS.

**Total Return:** The gross (before tax) return upon an investment over a given period (including capital gains, dividends and other distributions) assuming that all dividends and distributions are reinvested upon receipt at prevailing market prices.