Khan Academy
Khan Academy: Deriving Demand Curve From Tweaking Marginal Utility Per Dollar
This video examines what happens to quantity demanded when the price changes. [8:43]
Khan Academy
Khan Academy: Monopoly: Showing That Mr Has Twice Slope of Demand
Using some basic calculus to show that marginal revenue has twice the slope of the demand curve for a monopolist. [4:56]
Khan Academy
Khan Academy: Labor and Marginal Product Revenue: Adding Demand Curves
Learn how to add demand curves in this video lecture. [6:17]
Khan Academy
Khan Academy: Demand Curve as Marginal Benefit Curve
Thinking about a demand curve in terms of quantity driving price. [5:53]
Khan Academy
Khan Academy: The Demand Curve: Price of Related Products and Demand
Video lecture explores how changes in the price of related goods can shift demand. [5:48]
Khan Academy
Khan Academy: The Demand Curve: Law of Demand
Looks at an example of the law of demand. [8:16]
Khan Academy
Khan Academy: The Demand Curve: Inferior Goods Clarification
Provides more clarification on what constitutes inferior and normal goods. [5:19]
Khan Academy
Khan Academy: The Demand Curve: Normal and Inferior Goods
Explains how the demand for some goods could actually go down if incomes go up. [5:56]
Khan Academy
Khan Academy: The Demand Curve: Change in Expected Future Prices and Demand
Explores what happens to demand if the price of something is expected to go up or down in the future.
Khan Academy
Khan Academy: Why Parties to Cartels Cheat
In this video, Khan Academy explores a conflict that duopolists (and other oligopolies) face: there is a tension between cooperating and forming a cartel or cheating on that cartel once it is formed. [11:18]
Khan Academy
Khan Academy: Adding Demand Curves
In this video we explore how to derive the demand for a factor of production based on how productive that factor is and how much additional revenue that factor brings in. [6:18]
Khan Academy
Khan Academy: Normal and Inferior Goods
Demand for normal goods increases when income increases, but demand for inferior goods decreases when income increases. In this video [5:55], we use the example of a computer and a car to describe the concepts of normal goods and...
Khan Academy
Khan Academy: Optional Calculus Proof to Show That Mr Has Twice Slope of Demand
This video [4:55] explains how using some basic calculus to show that marginal revenue has twice the slope of the demand curve for a monopolist.
Khan Academy
Khan Academy: Positive Externalities
What happens when all of the benefits of consumption are not captured in a demand curve? In this video [7:25] we explore how to think about positive externalities in a market setting.
Khan Academy
Khan Academy: Price of Related Products and Demand
Complements are goods that are consumed together. Substitutes are goods where you can consume one in place of the other. The prices of complementary or substitute goods also shift the demand curve. When the price of a good that...
Khan Academy
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.
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: 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: Price Discrimination
Price discrimination is when a seller can charge different customers that are basically identical different prices in an attempt to extract as much profit as possible. In this video, we explore how this is possible. [6:01]
Khan Academy
Khan Academy: Economic Profit for Firms in Perfectly Competitive Markets
An important skill in microeconomics is the ability to find a firm's profit. Learn more about how to use a graph to identify the profit-maximizing quantity for a firm in a perfectly competitive market, and identify the area that...
Khan Academy
Khan Academy: Economic Profit for a Monopoly
Learn about how to represent a monopoly market graphically in this video. Topics covered include the profit-maximizing quantity, pricing decisions, and deadweight loss associated with monopolies. [6:13]
Khan Academy
Khan Academy: Equilibrium Nominal Interest Rates in the Money Market
How are nominal real interest rates determined? In the money market! Learn about the money market in this video. [3:59]
Khan Academy
Khan Academy: Equilibrium, Allocative Efficiency and Total Surplus
Total surplus is maximized in a market at equilibrium. In this video, we talk about why this is and the math behind this assertion. [11:29]
Khan Academy
Khan Academy: The Demand Curve: Changes in Income, Population, or Preferences
Explains how demand can be affected by changes in income, population or preferences.