I came across a very interesting article on financial knowledge from Psychology Today which made me think deeper about the financial knowledge that is required to make good financial decisions. For those who might be curious, you can access the article here. The author created an epistemology for financial knowledge and created six categories of financial know-how. The moment I read this article I had this eureka moment about about the kinds of the financial knowledge that is out there. To me the closest analogy to financial knowledge is the TCP/IP stack that underlies all Internet-working traffic. Financial knowledge comes in layers. At its most basic level, we need to have the statistical and mathematical tools to understand how money works. This broad theoretical level of knowledge would cover concepts like compound interest and net present value discounting that is taught in many classes. But clearly operating at this level ...