It's very difficult in the technology space when you have been leapfrogged to prosper again.

In China, remember, the the banks are arms of state policy. They loan because the local party official or regional party official tells them we need a new stadium. They are instruments of state policy.

What people don't realize is that China papered over its last two credit bubbles, those in 1999 and 2004. The banks were never bailed out - they just exchanged their bad loans for questionable bonds from quasi-state organizations.

The Macau casinos have a wonderful business, it's taking in money from Chinese businessmen elsewhere who send it through junky companies to casinos to gamble. The growth continues and they have basically western managers and western accounting, so we trust the numbers a little bit more.

So you know, everyone points out Greece's default record, but the history of a lot of sovereign nations is not a good one when it comes to lending them money.

Healthcare is growing now at about 10 per cent per annum in the U.S. top line, versus 3 per cent for the economy. As someone with a sharp pencil and an eye for this kind of thing, this can't last.

What we define as a bubble is any kind of debt-fueled asset inflation where the cash flow generated by the asset itself - a rental property, office building, condo - does not cover the debt incurred to buy the asset. So you depend on a greater fool, if you will, to come in and buy at a higher price.