Who First Used the Variance of Abnormal Return as an Index

question 11

Multiple Choice

Who first used the variance of abnormal return as an index of information content of profit announcements?

• A)Ball
• B)Brown
• C)Beaver
• D)Fama

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Definitions:

Ongoing

Continuously happening or in progress.

Terminal

Describes a disease or condition that is expected to lead to death, often associated with a limited life expectancy.

Process

A sequence of measures or procedures executed with the aim of attaining a specific goal.

Aripiprazole

A medication primarily used to treat schizophrenia and bipolar disorder by helping restore the balance of certain natural chemicals in the brain.