Khan Academy
Khan Academy: Income Elasticity of Demand
A video [7:04] explaining how price elasticity relates to demand changes in response to income elasticity.
Khan Academy
Khan Academy: Changes in Income, Population, or Preferences
In this video lesson from Khan Academy, students will explore how changes in a few factors, including income, population, and consumer preferences, affect the demand curve. This resource is designed as a review for the AP Macroeconomics...
Khan Academy
Khan Academy: Changes in Equilibrium Price, Quantity When Supply & Demand Change
In this video lesson from Khan Academy, students will explore what happens when both supply and demand are simultaneously changing. This resource is designed as a review for the AP Macroeconomics Test or a college-level macroeconomics...
Khan Academy
Khan Academy: Change in Supply Versus Change in Quantity Supplied
This video lesson from Khan Academy will help students understand the difference between the effects of the changes in supply with changes in the quantity supplied. This resource is designed as a review for the AP Macroeconomics Test or...
Khan Academy
Khan Academy: Change in Expected Future Prices and Demand
Explore the role of buyers' expectations as a determinant of demand in this video lesson from Khan Academy. This resource is designed as a review for the AP Macroeconomics Test or a college-level macroeconomics course.
Khan Academy
Khan Academy: Change in Demand Versus Change in Quantity Demanded
This video lesson from Khan Academy explains the differences between a change in the quantity demanded for a good (which causes a movement along a demand curve) and the change in a good's demand (which causes the entire demand curve to...
Khan Academy
Khan Academy: Aggregate Demand
We've learned about demand for a good or service, but aggregate demand is different: it's the demand for everything bought in an economy. In this video, we discuss how aggregate demand (AD) is different from demand and why aggregate...
Khan Academy
Khan Academy: Consumer Surplus Introduction
In this video, we introduce the concept of consumer surplus as the difference between marginal benefit and price paid. [5:01]
Khan Academy
Khan Academy: Total Consumer Surplus as Area
When a demand curve is linear, calculating consumer surplus becomes relatively simple: calculate the area of a triangle. In this video we walk through calculating consumer surplus.