You Own a Portfolio Which Is Invested Equally in Two

question 82

Multiple Choice

You own a portfolio which is invested equally in two stocks and a risk-free security. The stock betas are .89 for Stock A and 1.26 for Stock B. Which one of the following will increase the portfolio beta, all else constant?

• A) increasing the amount invested in the risk-free security
• B) decreasing the weight of Stock B and increasing the weight of Stock A
• C) replacing Stock A with a security that has a beta of .76
• D) increasing the weight of Stock A and decreasing the weight of the risk-free security
• E) replacing Stock B with Stock C, which has a beta equal to that of the market

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Definitions:

Abstract Method

A method that is declared in an abstract class without an implementation. Subclasses inheriting the abstract class must provide an implementation for the abstract methods.

Abstract Class

A class in object-oriented programming that cannot be instantiated on its own and is designed to be subclassed, defining or inheriting common characteristics for subclasses.

Polymorphism

The ability in programming to present the same interface for differing underlying forms (data types), allowing methods to be used in a more generic way.

Dynamic Binding

Dynamic binding is a programming concept where the code to be executed in response to function calls is determined at runtime.