Khan Academy
Khan Academy: Price Elasticity of Demand Using the Midpoint Method
This video lesson from Khan Academy is intended for students who are taking a microeconomics course. This lesson serves as an introduction to price elasticity of demand.
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Khan Academy: Perfect Inelasticity and Perfect Elasticity of Demand
This video lesson from Khan Academy is intended for students who are taking the AP Macroeconomics course. Students will examine the two extremes of elasticity: perfectly elastic and perfectly in elastic demand. The extremes can help...
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Khan Academy: More on Total Revenue and Elasticity
This video lesson from Khan Academy is intended for students who are taking the AP Macroeconomics course. Students will take a deeper dive into the total revenue rule and the relationship between total revenue and elasticity.
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Khan Academy: Labor Leisure Tradeoff and the Labor Supply Curve
A video [4:46] explaining the supply and demand curve with the labor-leisure tradeoff.
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Khan Academy: More on Elasticity of Demand
Looking a bit deeper at why elasticity changes despite having a linear demand curve. This resource is designed as a review for the AP Microeconomics Test or a college-level microeconomics course.
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Khan Academy: Inferior Goods Clarification
The concepts of normal goods and inferior goods can be tricky, and the definitions can be somewhat subjective as well. In this video, we take a deeper look at these kinds of goods.
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Khan Academy: Introduction to Price Elasticity of Demand
In this video lesson, explore a simple way to calculate the price elasticity of demand, how to interpret that calculation, and how price elasticity of demand varies along a demand curve. This resource is designed as a review for the AP...
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Khan Academy: Elasticity and Strange Percent Changes
This video lesson explains why we calculate percent changes in a strange way when calculating elasticities. This resource is designed as a review for the AP Microeconomics Test or a college-level microeconomics course.
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Khan Academy: Determinants of Price Elasticity of Demand
There are several factors that affect how elastic (or inelastic) the price elasticity of demand is, such as the availability of substitutes, the timeframe, the share of income, whether a good is a luxury vs. a necessity, and how narrowly...
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Khan Academy: Determinants of Elasticity Example
Walk through the logic of determining what kind of good has the most elastic demand in this video. This resource is designed as a review for the AP Microeconomics Test or a college-level microeconomics course.
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Khan Academy: Constant Unit Elasticity
This video lesson provides a case of price elasticity of demand, s demand curve with a constant unit elasticity. Explore what such a demand curve would look like in this video.
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Khan Academy: Income Elasticity of Demand
A video [7:04] explaining how price elasticity relates to demand changes in response to income elasticity.
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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...
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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...
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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...
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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.
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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...
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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...
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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]
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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.