Higher Rates of Substance Use Disorders Have Been Found in Populations

question 40

Multiple Choice

Higher rates of substance use disorders have been found in populations of homeless adolescents.This research suggests that:

• A) Substance abusing adolescents tend to run away from home
• B) Adolescents use substances to cope with the stress of being homeless
• C) Risk factors associated with substance use disorders are the same risk factors that put adolescents at risk for being homeless
• D) The directionality of these research findings is not clear

---

Definitions:

Economies of Scale

Cost advantages reaped by companies when production becomes efficient, leading to a decrease in the per-unit cost as output increases.

Diseconomies of Scale

The situation in which the cost of producing each individual unit rises when a company's production volume grows, often resulting from inefficiencies and a rise in complexity.

Long-run Average Total Cost

The cost per unit of output in which all inputs, including capital, are variable, showing economies and diseconomies of scale over time.

Increasing Returns to Scale

A situation in which a proportional increase in all inputs results in a more than proportional increase in output, demonstrating economies of scale.