Khan Academy: Fixed, Variable, and Marginal Cost

Explore how to think about average fixed, variable, and marginal costs, and how to calculate them, using a firm's production function and costs in this video. [11:48]

In the video lesson from Khan Academy, students will explore why the marginal utility per dollar spent should be equal for the last increment of either good purchased. This resource is designed for students who are taking a college-level...

How is inflation measured? What is the consumer price index?.

Opportunity cost (and marginal cost) based on the PPF. This is an direction of economics based on tradeoffs in an area of fixed resources. [5:49]

To get a better intuition about how much a consumer values a good in a market, we think of demand as a marginal benefit curve. In this video, we look at the demand curve from a marginal benefit framework. [5:53]

This video gives scenarios that exemplify marginal utility and maximization. [14:09]

Practice what you've learned about total utility, marginal utility, and the law of diminishing marginal utility in this four-question exercise.

A video [10:51] explaining indifference curves and marginal rate of substitution in graphing value tradeoffs between two goods.

There is an inverse relationship between the required return and the stock price investors assign to a stock. The required return might rise if the risk premium or the risk-free rate increases. Conversely, if the Fed raises rates...

Practice what you have learned about the effect of economies of scale on cost and prices in this exercise.