John Green asks whether globalization is a net positive for humanity. While the new global economy has created a lot of wealth and lifted a lot of people out of poverty, it also has some effects that aren't so hot. [13:54]

An interview with historian Howard Markel who discusses the history of tuberculosis. Aired Feb. 24, 2012 [5:10 min]

Video lecture explains generalizing a linear consumption function as a function of aggregate income. [11:58]

Video lecture explains the difference between every day and economic notions of investment and consumption. [7:32]

Video lecture explains the basic idea of a consumption function. [6:39]

The difference between investment and consumption. [9:51]

Thinking about a consumption function where taxes are also a function of income (which is more realistic than constant taxes). [7:25]

Understand that investment is something that is good for society while consumption is capital being burned with this video lecture. Lecture give more investment vs. consumption examples. [10:12]

The market for loanable funds brings savers and borrowers together. We can also represent the same idea using a mathematical model. In this video, learn about savings and investment identity. [3:25]

A video [9:50] explaining the meaning of the following terms: savings, investment, and consumption.

When using the expenditures approach to calculating GDP the components are consumption, investment, government spending, exports, and imports. In this video [4:58] we explore these components in more detail.

Sal Khan explains a linear consumption function as a function of aggregate income. [11:59]

This video discusses consumption function where taxes are also a function of income. [7:24]

This video covers the basic idea of a consumption function. [6:39]

Where does a buyer's demand curve come from? A rational buyer wants to get as much 'bang per buck' from their consumption as possible. In economics, that's called marginal utility per dollar spent. In this video, we derive the...