JAMB - Economics (2019 - No. 43)
Which of the following matters may account for changes in demand?
I - changes in consumer preferences
II - changes in real income
III - changes in distribution of incomes
IV - changes in levels of taxation
I, II
II, III
I, III, IV
I, II, III, IV
Explanation
Consumer preferences (Taste), Income, taxation, advertisement, population, weather conditions, price of other commodities are shift. Factors that affect or change or shift the demand curve.