Q: Which equation represents the concept of scarcity in economics?

$\text{Scarcity} = \text{Unlimited Wants} - \text{Limited Resources}$

Q: Which formula calculates marginal cost?

$\text{Marginal Cost} = \frac{\Delta \text{Total Cost}}{\Delta \text{Quantity}}$

Question 1

Which of the following best describes the concept of opportunity cost?

Accepted Answer

The value of the next best alternative forgone when making a choice.

Question 2

Suppose a student spends 2 hours studying for microeconomics instead of working at a job that pays $15 per hour. What is the opportunity cost of studying?

Accepted Answer

$30, which is the income forgone from not working.

Question 3

Which equation represents the concept of scarcity in economics?

Accepted Answer

$	ext{Scarcity} = 	ext{Unlimited Wants} - 	ext{Limited Resources}$

Question 4

If Canada can produce wheat at a lower opportunity cost than Japan, Canada has:

Accepted Answer

Comparative advantage in wheat production.

Question 5

Which of the following is NOT a key assumption of the Production Possibilities Frontier (PPF)?

Accepted Answer

Resources are unlimited.

Question 6

A country can consume beyond its PPF if:

Accepted Answer

It specializes and trades with other countries.

Question 7

Which formula calculates marginal cost?

Accepted Answer

$	ext{Marginal Cost} = \frac{\Delta 	ext{Total Cost}}{\Delta 	ext{Quantity}}$

Question 8

Which statement best describes the difference between microeconomics and macroeconomics?

Accepted Answer

Microeconomics studies individual markets; macroeconomics studies the economy as a whole.

Question 9

If the marginal benefit of an additional unit is less than the marginal cost, what should a rational decision-maker do?

Accepted Answer

Reduce production of the unit.

Question 10

Which of the following is an example of a positive economic statement?

Accepted Answer

"Increasing the minimum wage will lead to higher unemployment rates."

Question 11

Suppose the opportunity cost of upgrading to a college degree increases. What is the likely effect on the number of students enrolling in college?

Accepted Answer

The number of students enrolling will decrease.

Question 12

Which of the following best illustrates the law of increasing opportunity cost?

Accepted Answer

As more resources are devoted to producing one good, the opportunity cost of producing additional units increases.

Question 13

If a country has an absolute advantage in producing both cars and computers, should it still trade with other countries?

Accepted Answer

Yes, because comparative advantage allows for mutual gains from trade.

Question 14

Which equation represents the calculation of opportunity cost?

Accepted Answer

$	ext{Opportunity Cost} = 	ext{Value of Next Best Alternative}$

Question 15

Which of the following is a normative economic statement?

Accepted Answer

"The government should provide free healthcare to all citizens."

Question 16

A market consists of:

Accepted Answer

Buyers and sellers interacting to exchange goods and services.

Question 17

Which of the following is a microeconomic decision for a government?

Accepted Answer

Increasing automobile emissions standards.

Question 18

If the marginal benefit of a new public park is $500,000 and the marginal cost is $400,000, what should the city do according to economic theory?

Accepted Answer

Build the park, because marginal benefit exceeds marginal cost.

Question 19

Which of the following best describes the role of incentives in economics?

Accepted Answer

Incentives motivate individuals and businesses to make choices that maximize their benefits.

Microeconomics Chapters 1–4: Key Concepts and Study Guide

Study Guide - Practice Questions

Study Guide - Flashcards