If the Cross Elasticity of Demand for Good a with Respect

question 22

Multiple Choice

If the cross elasticity of demand for good A with respect to good B is -0.87, then good A is

• A)an inferior good.
• B)a normal good.
• C)a substitute for good B.
• D)a complement to good B.

---

Definitions:

Specificity

The capacity of an examination to accurately detect individuals who do not have the condition, known as the true negative rate.

Digital Rectal Exam

A manual examination performed by inserting a lubricated, gloved finger into the rectum to check for abnormalities of organs or other structures in the pelvis and lower belly.

Specificity

In diagnostic testing, the ability of the test to correctly identify those without the disease.

Positive Predictive Value

The probability that individuals with a positive test result actually have the disease.