Check out 1:49 for the "cultural origins" theory. At 4:02 the queen asks a bunch of economists why they didn't see the market crash coming, and we look at the insane profits for financiers at 9:58.
You know what always saved long-term problems? Short-term solutions. They're cheap, easy, and always seem to be just a day away from solving everything. Sadly, a lot of people actually believe that. Check out this video for a more comprehensive analysis of the world's failing economy than you're likely to get from all the talking points in the entire world. Skip to 4:59 for an awesome breakdown of why capitalism was especially susceptible to crashing.