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Correct Answer: A) -0.50.
Correct Answer: C) Luxury Good.
Correct Answer: C) Positive, that is, Coke and Pepsi are substitutes.
Correct Answer: D) It has lots of substitutes.
Correct Answer: D) Price Inelastic.
Correct Answer: C) Unit elastic.
Correct Answer: A) Elastic.
Correct Answer: D) Elastic.
Correct Answer: B) 2.14.
Correct Answer: B) -0.40.
Correct Answer: D) Price decreases and demand is elastic.
Correct Answer: D) 3.
Correct Answer: B) Salt is not a necessity.
Correct Answer: B) A fall in price will raise total revenue.
Correct Answer: B) Fewer substitutes it has.
Correct Answer: A) Total revenue.
Correct Answer: B) .67 inelastic.
Correct Answer: B) Unitary.
Correct Answer: D) When there are many substitutes for the good.
Correct Answer: B) 0.75.
Correct Answer: C) There are very few subtitutes to gasoline.
Correct Answer: D) -0.5.
Correct Answer: D) It will rise.
Correct Answer: B) Elastic.
Correct Answer: B) Inferior Good.