Belfast-born and Queen's-educated Brian Arthur of the Santa Fe Institute is a leading thinker in the area of complexity economics. Complexity economics builds on the idea that the economy is not (if ever) in equilibrium and that the economy is complex, dynamic and continually in flux. You can read his paper on complexity economics here and below is a video of him talking about complexity economics.
According to Robert Shiller , speaking at Davos, Bitcoin is a perfect example of a bubble - story here . Shiller sees Bitcoin as a backwards step in the evolution of money. George Selgin , a free banker, takes an opposing view - click here . Although he doesn't believe that Bitcoin is money, he sees its development as a fascinating turn in the evolution of money. In particular, he lauds the fact that Bitcoin production is constrained and cannot be infinite. There is a short video below where Bitcoin explain how it works.