26 July 2015 - 26 October 2015 The special commodity or medium that we call money has a long and interesting history. And since we are so dependent on our use of it (and so much controlled and motivated by the wish to have more of it or not to lose what we have) we may become irrational in thinking about it and fail to be able to reason about it like about a technology, such … [Read more...] about Leithner Letter Nos. 188-191