Microeconomics 18th Edition by Campbell McConnell, Stanley Brue, Sean Flynn

Exercise 6

Demand curve D is downsloping because a. producers offer less of a product for sale as the price of the product falls.
B) lower prices 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 lower the product price.
D) price and quantity demanded are directly (positively) related.