Morgan Kelly of UCD is one of the smartest economists I know. Unlike many academic economists, he has a great insight into the functioning or malfunctioning of the actual economy. Well before the Irish housing bust and financial crisis, he argued that there was going to be a huge correction (see here). He was right. Several days ago he spoke about the Irish economy to the UCD Economics Society. This is a brilliant talk on the past, present and future of the Irish economy.
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.