According to the , in an economy that produces more goods and services than can be consumed, advertising keeps consumers informed of their alternatives and allows companies to compete more effectively for consumer dollars.

Explanation:

The abundance principle states that in an economy that produces more goods and services than can be consumed, advertising keeps consumers informed of their alternatives and allows companies to compete more effectively for consumer dollars

A demand curve is built on the assumption that only the demand and price of the good/service will change.

Explanation: A demand curve is a graph that shows the change in how much demand may change if price of the good/service changes well. The graph helps connect the relationship between both price and demand