In 1866 What Did the British Physician Langdon Down Describe

question 105

Multiple Choice

In 1866 what did the British physician Langdon Down describe for the first time?

• A) characteristics of autism.
• B) a subgroup of mental retardation.
• C) the case of the "wild boy of Aveyron."
• D) the condition of pervasive developmental disorder.

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Definitions:

Convexity

A measure of the curvature in the relationship between bond prices and bond yields that demonstrates how the duration of a bond changes as the interest rate changes.

Modified Duration

A measure that estimates the price sensitivity of a bond to a one percent change in interest rates, adjusting for the changing yield to maturity.

Yield To Maturity

The total return anticipated on a bond if the bond is held until it matures.

Duration

A measure of the sensitivity of the price of a bond or other fixed-income investment to changes in interest rates, typically expressed in years.