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### Changes in Supply and Demand

• If demand increases, the equilibrium price and quantity both increase.
• If demand decreases, the equilibrium price and quantity both decrease.
• If supply increases, the equilibrium price decreases and the equilibrium quantity increases.
• If supply decreases, the equilibrium price increases and the equilibrium quantity decreases.
• If demand and supply increase, the equilibrium price is unsure and the equilibrium quantity increases.
• If demand and supply decrease, the equilibrium price is unsure and the equilibrium quantity decreases.
• If demand increases and supply decreases, the equilibrium price increases and the equilibrium quantity is unsure.
• If demand decreases and supply increases, the equilibrium price decreases and the equilibrium quantity is unsure.

### Changes in Supply and Demand

Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

• Intro 0:00
• Lesson Overview 0:17
• Shifts of the Demand or Supply Curve 1:34
• Demand Shift to the Right
• Demand Shift to the Left
• Supply Shift to the Right
• Supply Shift to the Left
• Example 1 3:36
• Example 2 5:46
• Example 3 7:43
• Example 4 9:37
• Shifts of Both the Demand and Supply Curves 11:53
• Demand and Supply Shift to the Right
• Demand and Supply Shift to the Left
• Supply Shift to the Left and Demand Shift to the Right
• Supply Shift to the Right and Demand Shift to the Left
• Example 5 17:13
• Example 6 20:21
• Example 7 22:44
• Example 8 25:06