Where Were Differences Between the Data Sets? (You May Select

question 9

Multiple Choice

Where were differences between the data sets? (You may select more than one option.)

• A) Pre and Post
• B) Pre and Post + 12
• C) Post and Post + 12
• D) No differences were identified.

---

Definitions:

Monopoly

A market structure characterized by a single seller controlling a large portion of the market and the ability to influence prices and output.

Monopolistically Competitive

Refers to a market structure where many companies sell similar but not identical products, allowing them to have some control over their prices.

Economic Profits

Profits that exceed the opportunity costs of a firm, calculated as total revenues minus both explicit and implicit costs.

Long Run

A period during which all factors of production and costs are variable, and firms can enter or exit the industry.