To Gain from Comparative Advantage, Countries Must Not Only Trade

question 124

Multiple Choice

To gain from comparative advantage, countries must not only trade, they must also

• A)save.
• B)invest.
• C)engage in research and development.
• D)engage in capital accumulation.
• E)specialize.

---

Definitions:

Dopamine Dependence

A condition where an individual's normal neurobiological reward system becomes excessively reliant on activities or substances that significantly increase dopamine levels.

Serotonin Dependence

A condition not widely recognized in medical terminology, but may refer to a reliance on mechanisms that enhance serotonin levels to regulate mood.

Physical Dependence

The physiological need for a drug that causes unpleasant withdrawal symptoms such as physical pain and a craving for the drug when it is discontinued.

Psychological Dependence

The strong desire to repeat the use of a drug for emotional reasons, such as a feeling of well-being and reduction of stress.