An Economic Model Is Useful If It

question 54

Multiple Choice

An economic model is useful if it

• A)includes every detail of reality
• B)involves no unproven assumptions
• C)is expressed in equations
• D)makes accurate predictions
• E)is simple enough to be understood by a child

---

Definitions:

Competitive Output Markets

Markets where multiple firms sell similar or identical products, and prices are determined through competition among sellers.

Exponent

In mathematics, a number indicating how many times a base is to be multiplied by itself.

Binomial

A polynomial expression that contains exactly two terms, typically written in the form a+b.

Simplify

To make an expression less complex by combining like terms and executing arithmetic operations where possible.