The ECB's interest rate cut last week was in the response to falling prices in the Eurozone and the rise of the general fear that Europe is heading for deflation. See below an FT interview with the head of macro markets at Goldman Sachs about this subject and click here to read a Wall Street Journal article on this topic.
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.