The Difference Between a Random Walk and a Submartingale Is

question 17

Multiple Choice

The difference between a random walk and a submartingale is the expected price change in a random walk is ______, and the expected price change for a submartingale is ______.

• A) positive; zero
• B) positive; positive
• C) positive; negative
• D) zero; positive
• E) zero; zero

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Definitions:

Pia Mater

The delicate innermost layer of the meninges, the membranes surrounding the brain and spinal cord.

Meninx

A layer of membrane covering the brain and spinal cord; refers to one of the meninges.

Periosteum

The periosteum is a dense layer of vascular connective tissue enveloping the bones except at the surfaces of the joints.

Nervous System

The network of nerve cells and fibers that transmits nerve impulses between parts of the body, coordinating and controlling bodily functions and activities.