Money is widely associated with value (the economics textbooks literally say it is a store of value), but that does not mean that all value can be expressed as a sum of cash. — Despite recent turmoil under new management, Twitter is still a valuable source of knowledge, insight and, occasionally, provocative statements that make you question your intuitions. The other week, economics blogger Noah Smith cited an old tweet saying, “The saddest part of free market ideology is that, if you know your…