According to the substitution effect, if the price of a product goes down. the consumer will buy more of the good at a lower price than at a higher price, creating a horizontal demand curve. O the consumer will buy more of the good at the lower price than at a higher price, creating a downward-sloping demand curve. the real income of the consumer will increase, causing the consumer to want to buy more of the good, creating a downward-sloping demand curve. O the consumer will not change the level of purchases of the good when the price changes, making the demand curve a vertical line. Moving to the next question prevents changes to this