This year's winner of the Nobel Prize in Economics is Jean Tirole. Tirole is best known as someone who has formalised (in a mathematical sense) key concepts in microeconomics and industrial organisation. Click here to read Tyler Cowen's comprehensive post on Tirole's contribution to economics. Tirole played a large role in my education. I read / studied two of his books during my graduate studies - The Theory of Industrial Organization (1988) and The Prudential Regulation of Banks (1994). Notably, both of these books have stood the test of time - as will his book The Theory of Corporate Finance (2006).
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.