Unfortunately I am unable to find it now, but years ago I read a great blogpost. Written by an anonymous Economic that claimed to like economics like he did his ex-wife. With a lot of old love, fascinating misunderstanding and a pinch of hate.
As I remember he stated that mankind had created a system that was highly unstable. Why? Because it has to continue to grow in order to perform for all or most of us. Anything besides the universe is unable to do so. This causes the system to grow like a bubble and burst every once in a while. Logical no?
But there is a twist