Macroeconomics 20th Edition by Campbell McConnell,Stanley Brue,Sean Flynn

Exercise 11

Demand curve D is downsloping because:
A) producers offer less of a product for sale as the price of the product falls.
Bprices of a product create income and substitution effects that lead consumers to purchase more of it.
C) the larger the number of buyers in a market, the
D) price and quantity demanded are directly (positively) related.