1. To counteract steep declines in the birth rate, some countries have offered extra money to pregnant women and subsidies for parents who have a second child. These financial supports are examples of ______.

Group of answer choices

factor payments

positive incentives

human capital

opportunity costs

2. In recent centuries, the percentage of people who are farmers has ______.

Group of answer choices

changed very little

grown exponentially

fluctuated continually

declined significantly

3. Which of the following is an accurate statement about self-interest?

Group of answer choices

It has little concern for other people.

It is a desire based on greed.

It is concerned mainly about material gain.

It is a motivation based on what benefits a person.

4. Which of the following is most likely an example of causation?

Group of answer choices

The stadium lights went on and the sun set.

The manager made a pitching change while Chun cheered.

Lauren swung the bat and hit a home run.

Lauren threw the baseball as a hot dog vendor ran out of food.

5. Which person would most likely use many normative statements?

Group of answer choices

an economist making a report based on an empirical analysis

a politician giving a speech to win an election

a lawyer stating the facts of a case

a scientist writing a critique debunking a hypothesis

6. Which of the following statements about scarcity is true?

Group of answer choices

Because they are rich, millionaires do not face scarcity.

Scarcity reduces market competition and lowers prices.

Most resources used in production are not scarce.

Resources are scarce because they are desirable and limited.

7. Which of the following statements correctly describes the difference between absolute advantage and comparative advantage? Absolute advantage ______, whereas comparative advantage ______.

Group of answer choices

is measured in money costs; is measured in non-money costs

refers to being able to produce more; refers to lower opportunity cost

refers to individuals and companies; refers to regions and countries

refers to labor and entrepreneurial ability; refers to land and capital

8. A state law that sets a maximum price for a gallon of milk is an example of ______.

Group of answer choices

price controls

monetary policy

positive incentives

market efficiency

9. In command economies, most economic activities are decided by ______.

Group of answer choices

workers

companies

government leaders

consumers

10. Goods and services move between buyers and producers in ______.

Group of answer choices

a straight line

an intermittent stream

an imaginary triangle

a continuous flow