Q: Given the formula for percentage change $$\frac{\text{New Value} - \text{Old Value}}{\text{Old Value}} \times 100$$, what is the percentage change if the quantity of newsprint increases from 4 million tonnes to 6 million tonnes?

$$\frac{6 - 4}{4} \times 100 = 50\%$$

Question 1

Which of the following points on a Production Possibility Curve (PPC) represents production efficiency?

Accepted Answer

Any point on the PPC, such as points A to G

Question 2

What does allocative efficiency mean in the context of economics?

Accepted Answer

Capital is assigned in a way that is most beneficial to the parties involved

Question 3

Which concept is best illustrated by the tradeoff between fairness and efficiency, such as choosing between a fair but inefficient point (S) and an unfair but efficient point (E) on the PPC?

Accepted Answer

Equity

Question 4

According to the law of increasing relative costs, what happens as society attempts to produce more of a good?

Accepted Answer

The opportunity cost to produce the additional good will increase

Question 5

Which of the following best describes a point outside the PPC, such as point R?

Accepted Answer

It is unattainable due to resource and technological constraints

Question 6

If a consumer chooses to buy goods based on accurate information from producers, which type of efficiency is being demonstrated?

Accepted Answer

Consumer efficiency

Question 7

Which of the following is a positive function of economics?

Accepted Answer

Explaining people's economic decisions using facts and figures

Question 8

Suppose the opportunity cost of producing 2 additional tonnes of newsprint increases as you move from point D to point F on the PPC. What economic principle does this illustrate?

Accepted Answer

Law of increasing relative costs

Question 9

Which of the following is an example of a normative function of economics?

Accepted Answer

Evaluating whether the distribution of income is fair

Question 10

Given the formula for percentage change $$\frac{	ext{New Value} - 	ext{Old Value}}{	ext{Old Value}} 	imes 100$$, what is the percentage change if the quantity of newsprint increases from 4 million tonnes to 6 million tonnes?

Accepted Answer

$$\frac{6 - 4}{4} 	imes 100 = 50\%$$

Question 11

Which of the following graphs would best illustrate a positive relationship between two variables?

Accepted Answer

An upward-sloping line

Question 12

If the slope of a curve is calculated as $$\frac{\Delta 	ext{Income}}{\Delta 	ext{Work hours}}$$, what does a slope of 2 mean?

Accepted Answer

Income increases by 2 units for every additional work hour

Question 13

Which of the following best describes the difference between microeconomics and macroeconomics?

Accepted Answer

Microeconomics focuses on individual agents and their interactions in markets, while macroeconomics studies aggregate economic indicators

Question 14

A time-series graph is most useful for showing:

Accepted Answer

How a single variable changes over time

Question 15

If a point lies inside the PPC, such as point S, what does this indicate?

Accepted Answer

Resources are being wasted and production is inefficient

Question 16

Which of the following is NOT a reason for a shift of the PPC outward?

Accepted Answer

Decrease in available resources

Question 17

If the opportunity cost of producing newsprint is measured in terms of forgone automobiles, what does a steeper PPC slope indicate?

Accepted Answer

Higher opportunity cost of newsprint

Question 18

Which of the following best describes a nonlinear relationship on a graph?

Accepted Answer

A curve where the rate of change varies

Question 19

Suppose a student studies for 2 hours and their exam grade increases from 6 to 10 points. If the student studies for 9 hours and their grade increases from 24 to 25 points, what does this illustrate?

Accepted Answer

Diminishing returns to studying

Question 20

If the slope of a curve showing income and work hours is $$2$$, and a worker increases their work hours from $$5 to$$ $$8$$, what is the change in income?

Accepted Answer

$$(8 - 5) 	imes 2 = 6$$

Foundations of Economic Efficiency, Equity, and Graphical Analysis in Macroeconomics

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