View this tutorial for more than just a description of the formula for compound interest! An instructor goes through a problem, showing how to find simple interest and compound interest. After she completes each version, she explains the...

I=prt is the formula for simple interest. What does each variable represent? I =interest, p =amount originally invested, r =rate of interest (usually in percent), t =time. Now all you have to do is plug in the numbers and do the...

Understand how the interest rate paid on reserves held by financial institutions works as a monetary policy tool.

Check out this brief video to see how interest rates, economic growth, and inflation rates are affected by changes in the supply of money.

Learn the basics of the deficit, debt and debt ceiling and what happens if the government defaults on its obligations in this Kahn Academy video. [9:57]

Why bond prices move inversely to changes in interest rate. [13:32]

Audio podcast [11:14] from The Economic Lowdown tells all about interest rates, what they are, the difference between "real" and "nominal", and why inflation matters. Transcript accompanies audio.

Take a look at this tutorial to understand word problems involving simple interest. [3:00]

Discusses why high real interest rates lead to low investment, and why low rates lead to high investment.

An introduction to the Investment/Savings curve. Expands on the relationship between real interest rate and planned investment by applying it to the Keynesian Cross.

The basic dynamic of an interest rate swap presented by Sal Khan. [3:50]

A discussion of how real GDP can drive real interest rates.

Video lecture discusses London InterBank Offer Rate (LIBOR). [3:37]

This video explains quantitative easing, also known as credit easing. [2:46]

Take a closer look at what's happening when student loans are in deferment. [9:14]

In this video [15:17] we explore a more detailed model, including a downloadable spreadsheet, that factors many of the considerations needed when deciding whether to rent a home vs. buying a home. Click here to download the Home Purchase...

Bond prices and interest rates are inversely related. Learn about the relationship between bond prices change when interest rates change in this video.

The real interest rate reflects the additional purchasing power gained and is based on the nominal interest rate and the rate of inflation. Learn how to find the real interest rate in this video. [3:10]

More on mortgage-backed securities.

This video [9:36] is Part II of the introduction to mortgage-backed securities.

This video [7:57] is Part I of the introduction to mortgage-backed securities.

This video [10:12] focuses on Present Value 2 which give you more choices as to when you get your money.

Interest is effectively a rent on money. In this video, think about what an interest rate really is. [9:56]

A video [7:44] explaining how changes in interest rates in one country can impact currency values and other economic conditions in other countries.