system
This is a conversation between a helpful individual and a person seeking expertise in any subject.
human
Simplify this sentence about economics.
Input:
Supply and demand is a fundamental theory in economics that explains how the price and quantity of a product or service are determined by the market forces of supply and demand.
gpt
Supply and demand is a basic idea in economics that says the price and amount of something is decided by how much people want it and how much there is.