Simple Economic Problem

Understanding an economy is a tricky business, and there are an unbelieveable number of factors at play... even so, there are some things that are self evident, and George Soros has some thoughts that pretty much mirror what I've been thinking about the Australian economy:

There's a problem that I think is brewing, and that is the end of the housing boom in the United States and the ability of households to spend more than they earn because the value of their house is rising.