What Is a Horizontal Demand Curve?. Consumer demand can be graphically represented by the demand curve, which illustrates the relationship between price and quantity demanded of a particular good ...

A demand curve is a graph used to demonstrate the relationship between the demand for a product and the price consumers are willing to pay. To understand what changes a demand curve, you need to ...

Demand is an economic principle that describes consumer willingness to pay a price for a good or service.