When do you slide along a Demand curve and when do you shift a Demand curve? What are the categories of Demand shifters? Be sure to note the specialized terms used by economists to describe factors that shift Demand curves. What sort of things cause a Demand curve to shift to the right? To the left? When do you slide along a Supply curve and when do you shift a Supply curve? What sorts of things will cause a Supply curve to shift right and to shift left? How do you find market equilibrium? What's the definition of equlibrium price