Four-Year-Old Rowena's Parents Are Concerned

question 3

Multiple Choice

Four-year-old Rowena's parents are concerned.She doesn't respond to cuddling,won't respond in conversation,and often loses control of her emotions.When she does talk,it's often to repeat the same few words over and over again.As their pediatrician,you advise them to

• A)have Eileen checked for an autism spectrum disorder.
• B)check all of Eileen's motor functions for nerve damage.
• C)give Eileen regular doses of Ritalin.
• D)pay no attention to this because she'll grow out of it.

---

Definitions:

New Firms

Companies that have recently entered the market, bringing innovation, competition, and potentially disrupting established market dynamics.

Existing Firms

Companies or businesses that are currently operational and active within a market or industry.

Advertising

A form of marketing communication used to promote or sell something, usually a business's product or service.

Product-Variety Externality

External effects that occur when the introduction of new products benefits consumers more than the producers, typically by increasing the variety of goods available.