Hmm...this diagram shows the symptoms of a bubble, but not really where it comes from. Bubbles are caused by long term over-consumption or over-investment beyond the natural market-equilibrium. In the last 100 years or so, they've been caused by artificially low interest rates generated by the Federal Reserve or other central banks, but in the absense of them, the phenomon can occur due to issues with using gold as a commodity and what not. Take lots of subsudies, tax incentives, and very low interest rate government loans and you've got yourself the ingrediants for a bubble. Same with higher-education as with the housing market.
This is great news. Now we just need everything to work natively in 64 bits and pure Wayland compatibility and we'd really be rolling.