The Average Time Between Trades for a High-Frequency Trading Investment

question 20

Multiple Choice

The average time between trades for a high-frequency trading investment firm is 40 seconds. Assume the time between trades is exponentially distributed. What is the probability that the time between trades for a randomly selected trade and the one proceeding it is less than 20 seconds?

• A) 0.1354
• B) 0.3935
• C) 0.6065
• D) 0.8446

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Definitions:

Monopolistic Competition

A trading environment where countless firms peddle products that bear resemblance but are not exact duplicates, offering them a fragment of control in the marketplace.

Pure Monopoly

A market structure where a single firm controls the entire market for a product or service, with no close substitutes and significant barriers to entry.

Allocatively Inefficient

A situation where resources are not distributed in a way that maximizes the benefits to society, often leading to a loss of economic welfare.

Marginal Benefit

The additional satisfaction or utility gained from receiving or consuming one more unit of a good or service.