It is traded.

So we know that housing prices went up.

And we saw that.

And that caused housing prices to go up.

We've been talking about the law of demand and how if we hold all else equal, a change in price, price goes up, the quantity demanded goes down and the price goes down, the quantity demanded goes up.

You know what happens at that point?

If you expect the future price to go up and the good or the product in question is something that you can store, well, depending on how much you expected to go up, you're probably more likely to buy now buy before the price goes up.

No, what happened to us, Chris, is that power, it's priced off the margin.

They want to encourage high volume purchases, and so they have stepped pricing that is oriented to create volume.

Let's look at these cases a little bit more carefully and figure out what's going on.

Well in this case I paid 100 for the bank account.

Depression.

So for example, let's think about Scenario, a Scenario 2.

Well, imagine we have other, say other ebooks' price goes up. WRlTING

What do I mean by that?

So something very interesting is happening.

We can even say, from 2000 to 2006.

You can see this in the data.

And then there's finally there's the affordability question.

Even that banana that you buy at the grocery store.

How is spending going up?

I'm going to use for the customer segment.

And because housing prices went up, what did that cause?

And luckily for us, it is a fairly intuitive idea.

As expected, the price of imported goods rose.

There is no free market for oil.

How could you have prices that kind of move?

Now what would happen if these things changed ?

And there is a little bit of a negative feedback, if price goes up.

Now, we have this whole securitization,

look it's energy, not oil, which counts.

I'd want to produce less.

If x is any larger number than the number I'm solving for, then the sale price is going to be more than fifty and I won't be able to afford it.

After 50 years of improvements, the same washing machine costs 3,195 CHF.

It is certain that the price of gold will go up.

Specifications and price are subject to change.

It turns out we made this pretty easy.

The companies know that.

Trust me when I tell you that.

And we see that the last trade here was for 2.58.

(Laughter)

I could actually price on specific customer segments or on features I know they need.

Or maybe the price of a....the price of a Kindle goes up, WRlTING so the price of a Kindle...let me write it this way

And you can think about why they haven't.

The price of rice rose by more than three percent.