In Jenrike, individual demand curves for tea are Qd1 = 26 − 3P for consumer 1 and Qd2 = 24 − 7P for consumer 2. At a price of $3, total market quantity demanded is
demand and its determinants
Review demand and its determinants for AP Macroeconomics and try 2 free AP-style practice questions. 21 questions on this topic in AP Macro · Unit 1 · Basic Economic Concepts.
6 topics137 multiple-choice2 free-response
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If consumer income rises and paper is a normal good, which of the following describes the changes in the demand for paper and the demand for pencils, a complement to paper?
Sample free-response question
Wexholm and Dravenna each produce solar panels and textiles with constant opportunity costs. The table shows the maximum quantity of each good each country can produce if it uses all of its resources for that good alone.
| Country | Solar Panels | Textiles |
|---|---|---|
| Wexholm | 60 | 180 |
| Dravenna | 100 | 100 |
(a) Calculate Wexholm's opportunity cost of producing one solar panel. Show your work.
(b) Identify the country that has a comparative advantage in producing solar panels.
(c) If each country specializes according to its comparative advantage, will the combined output of the two countries increase, decrease, or remain the same? Explain.
(d) Would terms of trade of 2 textiles for 1 solar panel benefit both countries? Explain.
(e) Would terms of trade of 4 textiles for 1 solar panel be acceptable to both countries? Explain.
19 more questions on this topic
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Answer, then see why
The price of gasoline rises 10% and the quantity demanded falls 5%. What happens to total revenue?
Not quite. The answer is B.
Why the other options are wrong
AI grading for free-response
Write your FRQ answer and get it scored point by point against the AP rubric, with the line from your answer that earned or missed each point.
Question 13 / 4 pts
Part a1 / 1 pts
Point 1: Earned
Grader confidence 94% sureReason: Correctly identifies demand for gasoline as inelastic.
Evidence: "The price of gasoline rises and the quantity falls only a little."
Part b2 / 3 pts
Point 1: Earned
Grader confidence 91% sureReason: Graph shows relatively inelastic demand.
Evidence: Draws a steep demand curve.
Point 2: Earned
Grader confidence 88% sureReason: Correct new equilibrium price.
Evidence: Shifts supply left, P1 → P2.
Point 3: Not earned
Grader confidence 82% sureReason: With inelastic demand, a price increase raises total revenue.
Evidence: "Revenue goes down."