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Mortgages : Geometric series sum to figure out mortgage payments

By: Sal Khan

Figuring out the formula for fixed mortgage payments using the sum of a geometric series

Most people buying a home need a mortgage to do so. This tutorial explains what a mortgage is and then actually does some math to figure out what your payments are (the last video is quite mathy so consider it optional).

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Mortgages : Mortgage Interest Rates

By: Sal Khan

Understanding how mortgage interest rates are quoted

Most people buying a home need a mortgage to do so. This tutorial explains what a mortgage is and then actually does some math to figure out what your payments are (the last video is quite mathy so consider it optional).

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Present value : Introduction to Present Value

By: Sal Khan

A choice between money now and money later.

If you gladly pay for a hamburger on Tuesday for a hamburger today, is it equivalent to paying for it today? A reasonable argument can be made that most everything in finance really boils down to present value. So pay attention to this tutorial.

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Investment and consumption : Human Capital

By: Sal Khan

Basic overview of capital and human capital

When are you using capital to create more things (investment) vs. for consumption (we all need to consume a bit to be happy). When you do invest, how do you compare risk to return? Can capital include human abilities? This tutorial hodge-podge covers it a

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Credit Crisis : Housing Conundrum (part 4)

By: Sal Khan

The virtuous circle of housing price appreciation making defaults go down making lending lax making housing appreciate even more

This tutorial talks about how the housing-bubble-induced credit crisis unfolded with a focus on the derivative securities that helped pump the bubble.

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Renting vs. buying a home : Renting vs. Buying (detailed analysis)

By: Sal Khan

Detailed analysis of the rent vs. buy decision.

Is it always better to buy than rent? What if home prices go up dramatically and rents don't? How can we compare home prices to rents to figure out what to do. This older tutorial (low-res, bad handwriting) walks us through this. It is about housing but s

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Credit Crisis : Credit Default Swaps 2

By: Sal Khan

Systemic risks of credit default swaps. Financial weapons of mass destruction.

This tutorial talks about how the housing-bubble-induced credit crisis unfolded with a focus on the derivative securities that helped pump the bubble.

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Retirement accounts: IRAs and 401ks : Traditional IRAs

By: Sal Khan

Introduction to traditional IRA's (Individual Retirement Accounts)

The government apparently wants us to save for retirement (not always obvious because it also wants us to spend as much as possible to pump the economy going into the next election cycle). To encourage this, it has created some ways to save that avoid or

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Put and call options : Long Straddle

By: Sal Khan

Long Straddle

Options allow investors and speculators to hedge downside (or upside). It allows them to trade on a belief that prices will change a lot--just not clear about direction. It allows them to benefit in any market (with leverage) if they speculate correctly.

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Personal taxes : Alternative Minimum Tax

By: Sal Khan

The basics of the alternative minimum tax

Benjamin Franklin (and several other writers/philosophers) tells us that In this world nothing can be said to be certain, except death and taxes. He's right. This tutorial focus on personal income tax. Very important to watch if you ever plan on earnin

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Home equity and personal balance sheets : More on balance sheets a...

By: Sal Khan

What happens to equity when the value of the assets increase or decrease

This old and badly drawn tutorial covers a topic essential to anyone planning to not live in the woods -- your personal balance sheet. Since homes are usually the biggest part of these personal balance sheets, we cover that too.

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Put and call options : Put-Call Parity Arbitrage I

By: Sal Khan

Put-Call Parity Arbitrage I

Options allow investors and speculators to hedge downside (or upside). It allows them to trade on a belief that prices will change a lot--just not clear about direction. It allows them to benefit in any market (with leverage) if they speculate correctly.

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Banking and Money : Banking 7: Giving out loans without giving out...

By: Sal Khan

How banks can give out loans without ever giving out gold.

We all use money and most of us use banks. Despite this, the actual working of the banking system is a bit of a mystery to most (especially fractional reserve banking). This older tutorial (bad handwriting and resolution) starts from a basic society looki

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Hedge funds : Hedge Fund Strategies - Long Short 2

By: Sal Khan

Seeing how the long-short portfolio might do in different market conditions (assuming that the underlying thesis is right)

Hedge funds have absolutely nothing to do with shrubbery. Their name comes from the fact that early hedge funds (and some current ones) tried to hedge their exposure to the market (so they could, in theory, do well in an up or down market as long as

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Compound interest basics : Introduction to Compound Interest

By: Sal Khan

Introduction to compound interest

Interest is the basis of modern capital markets. Depending on whether you are lending or borrowing, it can be viewed as a return on an asset (lending) or the cost of capital (borrowing). This tutorial gives an introduction to this fundamental concept, inc

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Continuous compound interest and e : Compound Interest and e (part 2)

By: Sal Khan

Compounding 100% annual interest continuously over a year converges to e (2. 71. . . )

This is an older tutorial (notice the low-res, bad handwriting) about one of the coolest numbers in reality and how it falls out of our innate desire to compound interest continuously.

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Put and call options : Call Payoff Diagram

By: Sal Khan

Call Payoff Diagram

Options allow investors and speculators to hedge downside (or upside). It allows them to trade on a belief that prices will change a lot--just not clear about direction. It allows them to benefit in any market (with leverage) if they speculate correctly.

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Banking and Money : Banking 14: Fed Funds Rate

By: Sal Khan

How open market operations effect the rate at which banks lend to each other overnight.

We all use money and most of us use banks. Despite this, the actual working of the banking system is a bit of a mystery to most (especially fractional reserve banking). This older tutorial (bad handwriting and resolution) starts from a basic society looki

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Life insurance : Term and Whole Life

By: Sal Khan

The difference between term and whole life insurance

It is a bit of a downer to think about, but we are all going to die. Do we care what happens to our loved ones (if they really are loved than the answer is obvious). This tutorial walks us through the options to insure our families against losing us. Th

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Real and nominal return : Calculating Real Return in Last Year Dollars

By: Sal Khan

Calculating real return in last year dollars

If the value of money is constantly changing, can we compare investment return in the future or past to that earned in the present? This tutorial focuses on how to do this (another good tutorial to watch is the one on present value).

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