In One of Their Empirical Tests of the APT, Roll

question 3

Multiple Choice

In one of their empirical tests of the APT, Roll and Ross examined the relationship between a security's returns and its own standard deviation. A finding of a statistically significant relationship would indicate that

• A) APT is valid because a security's unsystematic component would be eliminated by diversification.
• B) APT is valid because non-diversifiable components should be explained by factor sensitivities.
• C) APT is invalid because a security's unsystematic component would be eliminated by diversification.
• D) APT is invalid because standard deviation is not an appropriate factor.
• E) None of the above.

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Definitions:

First-In, First-Out

A method of valuing inventory that presumes items are sold in their purchase sequence, first selling the oldest products.

Purchase Order

An official document issued by a buyer to a seller, indicating types, quantities, and agreed prices for products or services.

Approved Vendor

A supplier who has been vetted and meets a company's criteria for quality, reliability, and price.

Gross Profit Method

A method of estimating inventory cost that is based on the relationship of gross profit to sales.