ECN 801 Final Exam Actual Exam 2026/2027: Complete
Exam-Style Questions with Detailed Rationales | 100%
Verified | Pass Guaranteed – A+ Graded
TABLE OF CONTENTS
Section 1 | Microeconomic Principles | Q1 – Q10
Section 2 | Macroeconomic Principles | Q11 – Q20
Section 3 | Market Structures and Firm Behavior | Q21 – Q30
Section 4 | Fiscal and Monetary Policy | Q31 – Q40
Section 5 | International Trade and Economic Growth | Q41 – Q50
Instructions: Choose the single best answer. Pass: 80% in 90 minutes.
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SECTION 1: MICROECONOMIC PRINCIPLES Q1 – Q10
══════════════════════════════════════
Question 1 of 50
A recent college graduate receives two offers: a job paying $45,000 per year or a
master's program that costs $20,000 in tuition. He chooses the master's program. His
parents argue he is only spending $20,000.
A. His total cost is $20,000 because tuition is the only measurable expense of graduate
school.
B. His total cost is $65,000 because he must include both the tuition and the foregone
salary he would have earned. ✓ CORRECT
C. His total cost is $45,000 because the salary he gives up is the real sacrifice, while
tuition is just a transfer.
D. His total cost is $25,000 because he should net the tuition against the present value
of future degree earnings.
Correct Answer: B
,Rationale: The opportunity cost of a choice includes both the explicit costs and the
implicit costs, so the $20,000 tuition plus the $45,000 foregone salary represent the true
economic cost. The most tempting wrong answer is A because students often fixate on
out-of-pocket expenses and forget that time spent in school has value in alternative
uses. In real decision-making, failing to account for foregone earnings leads people to
overinvest in credentials with low marginal returns.
Question 2 of 50
A local coffee shop raises the price of a latte from $4.00 to $4.80 and notices that daily
purchases drop from 200 to 150 cups. The manager is surprised because he thought
customers were loyal.
A. The demand for lattes is inelastic because coffee is a daily necessity for many
customers.
B. The demand for lattes is unit elastic because the price and quantity changes offset
each other exactly.
C. The demand for lattes is perfectly elastic because any price increase causes some
customers to stop buying.
D. The demand for lattes is elastic because the 25% drop in quantity exceeds the 20%
rise in price, reducing total revenue. ✓ CORRECT
Correct Answer: D
Rationale: When quantity falls by 25% in response to a 20% price increase, the price
elasticity of demand is greater than one, indicating elastic demand and causing total
revenue to fall. The most tempting wrong answer is A because students often assume
habitual consumption implies inelasticity without computing the actual percentage
changes. In real pricing, businesses frequently discover that brand loyalty is weaker
than expected once they pass certain psychological price thresholds.
Question 3 of 50
,A pharmaceutical company raises the price of a patented specialty drug by 15% and
finds that total revenue increases by 8%. The CEO is considering another price hike.
A. Demand for the drug is price inelastic, so further price increases may continue to
raise revenue. ✓ CORRECT
B. Demand for the drug is price elastic, so the revenue increase must be due to a
simultaneous shift in demand.
C. Demand for the drug is unit elastic, meaning the 15% price hike and revenue gain are
unrelated.
D. Demand for the drug is perfectly inelastic because patients have no substitutes and
will pay any price.
Correct Answer: A
Rationale: When a price increase leads to higher total revenue, the percentage drop in
quantity demanded must be smaller than the percentage price increase, which is the
definition of inelastic demand. The most tempting wrong answer is D because while the
drug may have few substitutes, perfectly inelastic demand is a theoretical extreme that
almost never exists in reality. In real pharmaceutical markets, companies exploit
patent-protected inelasticity until regulatory or public pressure intervenes.
Question 4 of 50
An avid music fan is willing to pay $120 for a concert ticket but buys it at the face value
of $85. Her friend who values the concert at $90 also buys a ticket at $85.
A. The consumer surplus is $35 for the avid fan and $5 for her friend, totaling $40 for
the venue.
B. The consumer surplus is $205 because that is the sum of both fans' willingness to
pay.
C. The consumer surplus is $35 for the avid fan and $5 for her friend, totaling $40 for
both consumers. ✓ CORRECT
D. The consumer surplus is zero because both fans paid the market price, which is the
equilibrium value.
, Correct Answer: C
Rationale: Consumer surplus is the difference between what a consumer is willing to
pay and what they actually pay, so the avid fan gains $35 and her friend gains $5, and
this surplus accrues to the buyers, not the seller. The most tempting wrong answer is A
because students often confuse who receives the surplus, attributing it to the venue
rather than the consumers. In real markets, scalping and dynamic pricing are
mechanisms that transfer this surplus from consumers to producers.
Question 5 of 50
A small island nation can produce either 100 tons of fish or 200 tons of coconuts with
its full labor force. Currently it produces 60 tons of fish and 80 tons of coconuts.
A. The opportunity cost of one ton of fish is 0.5 tons of coconuts, and the nation is
operating efficiently.
B. The opportunity cost of one ton of fish is 2 tons of coconuts, and the nation could
produce more of both with its current resources. ✓ CORRECT
C. The opportunity cost of one ton of fish is 1.33 tons of coconuts based on the current
production mix.
D. The opportunity cost of one ton of fish is 0.8 tons of coconuts, calculated as the ratio
of current outputs.
Correct Answer: B
Rationale: The production possibilities frontier shows that giving up 200 coconuts
allows gaining 100 fish, so the opportunity cost of one fish is 2 coconuts, and producing
60 fish and 80 coconuts is inside the frontier, indicating inefficiency. The most tempting
wrong answer is D because students often incorrectly use the current output ratio rather
than the frontier slope to calculate opportunity cost. In real development economics,
operating inside the PPF is common due to unemployment, corruption, or institutional
failure.
Question 6 of 50
Exam-Style Questions with Detailed Rationales | 100%
Verified | Pass Guaranteed – A+ Graded
TABLE OF CONTENTS
Section 1 | Microeconomic Principles | Q1 – Q10
Section 2 | Macroeconomic Principles | Q11 – Q20
Section 3 | Market Structures and Firm Behavior | Q21 – Q30
Section 4 | Fiscal and Monetary Policy | Q31 – Q40
Section 5 | International Trade and Economic Growth | Q41 – Q50
Instructions: Choose the single best answer. Pass: 80% in 90 minutes.
══════════════════════════════════════
SECTION 1: MICROECONOMIC PRINCIPLES Q1 – Q10
══════════════════════════════════════
Question 1 of 50
A recent college graduate receives two offers: a job paying $45,000 per year or a
master's program that costs $20,000 in tuition. He chooses the master's program. His
parents argue he is only spending $20,000.
A. His total cost is $20,000 because tuition is the only measurable expense of graduate
school.
B. His total cost is $65,000 because he must include both the tuition and the foregone
salary he would have earned. ✓ CORRECT
C. His total cost is $45,000 because the salary he gives up is the real sacrifice, while
tuition is just a transfer.
D. His total cost is $25,000 because he should net the tuition against the present value
of future degree earnings.
Correct Answer: B
,Rationale: The opportunity cost of a choice includes both the explicit costs and the
implicit costs, so the $20,000 tuition plus the $45,000 foregone salary represent the true
economic cost. The most tempting wrong answer is A because students often fixate on
out-of-pocket expenses and forget that time spent in school has value in alternative
uses. In real decision-making, failing to account for foregone earnings leads people to
overinvest in credentials with low marginal returns.
Question 2 of 50
A local coffee shop raises the price of a latte from $4.00 to $4.80 and notices that daily
purchases drop from 200 to 150 cups. The manager is surprised because he thought
customers were loyal.
A. The demand for lattes is inelastic because coffee is a daily necessity for many
customers.
B. The demand for lattes is unit elastic because the price and quantity changes offset
each other exactly.
C. The demand for lattes is perfectly elastic because any price increase causes some
customers to stop buying.
D. The demand for lattes is elastic because the 25% drop in quantity exceeds the 20%
rise in price, reducing total revenue. ✓ CORRECT
Correct Answer: D
Rationale: When quantity falls by 25% in response to a 20% price increase, the price
elasticity of demand is greater than one, indicating elastic demand and causing total
revenue to fall. The most tempting wrong answer is A because students often assume
habitual consumption implies inelasticity without computing the actual percentage
changes. In real pricing, businesses frequently discover that brand loyalty is weaker
than expected once they pass certain psychological price thresholds.
Question 3 of 50
,A pharmaceutical company raises the price of a patented specialty drug by 15% and
finds that total revenue increases by 8%. The CEO is considering another price hike.
A. Demand for the drug is price inelastic, so further price increases may continue to
raise revenue. ✓ CORRECT
B. Demand for the drug is price elastic, so the revenue increase must be due to a
simultaneous shift in demand.
C. Demand for the drug is unit elastic, meaning the 15% price hike and revenue gain are
unrelated.
D. Demand for the drug is perfectly inelastic because patients have no substitutes and
will pay any price.
Correct Answer: A
Rationale: When a price increase leads to higher total revenue, the percentage drop in
quantity demanded must be smaller than the percentage price increase, which is the
definition of inelastic demand. The most tempting wrong answer is D because while the
drug may have few substitutes, perfectly inelastic demand is a theoretical extreme that
almost never exists in reality. In real pharmaceutical markets, companies exploit
patent-protected inelasticity until regulatory or public pressure intervenes.
Question 4 of 50
An avid music fan is willing to pay $120 for a concert ticket but buys it at the face value
of $85. Her friend who values the concert at $90 also buys a ticket at $85.
A. The consumer surplus is $35 for the avid fan and $5 for her friend, totaling $40 for
the venue.
B. The consumer surplus is $205 because that is the sum of both fans' willingness to
pay.
C. The consumer surplus is $35 for the avid fan and $5 for her friend, totaling $40 for
both consumers. ✓ CORRECT
D. The consumer surplus is zero because both fans paid the market price, which is the
equilibrium value.
, Correct Answer: C
Rationale: Consumer surplus is the difference between what a consumer is willing to
pay and what they actually pay, so the avid fan gains $35 and her friend gains $5, and
this surplus accrues to the buyers, not the seller. The most tempting wrong answer is A
because students often confuse who receives the surplus, attributing it to the venue
rather than the consumers. In real markets, scalping and dynamic pricing are
mechanisms that transfer this surplus from consumers to producers.
Question 5 of 50
A small island nation can produce either 100 tons of fish or 200 tons of coconuts with
its full labor force. Currently it produces 60 tons of fish and 80 tons of coconuts.
A. The opportunity cost of one ton of fish is 0.5 tons of coconuts, and the nation is
operating efficiently.
B. The opportunity cost of one ton of fish is 2 tons of coconuts, and the nation could
produce more of both with its current resources. ✓ CORRECT
C. The opportunity cost of one ton of fish is 1.33 tons of coconuts based on the current
production mix.
D. The opportunity cost of one ton of fish is 0.8 tons of coconuts, calculated as the ratio
of current outputs.
Correct Answer: B
Rationale: The production possibilities frontier shows that giving up 200 coconuts
allows gaining 100 fish, so the opportunity cost of one fish is 2 coconuts, and producing
60 fish and 80 coconuts is inside the frontier, indicating inefficiency. The most tempting
wrong answer is D because students often incorrectly use the current output ratio rather
than the frontier slope to calculate opportunity cost. In real development economics,
operating inside the PPF is common due to unemployment, corruption, or institutional
failure.
Question 6 of 50
