James Buchanan, the Nobel-prize winning economist, died yesterday at the age of 93. Buchanan is most famous for pioneering public choice theory, which advocates the application of economic analysis to public policy and political science. You can read obits here and here. A free primer on public choice theory is available here and a very good encyclopedia entry is here. One of the key insights of public choice is that we should be concerned more about the institutional framework of our political systems rather than the personalities of our politicians.
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.