Simplification isn't Helpful in Econ Discussions
Economics is not a simple discipline to understand. Yet, all around us are people claiming that complex economic matters can be as clear as "Econ 101" when debating public policy. Sorry, but Econ 101 doesn't answer anything and the rhetorical shorthand does the discipline (and policy debates) a disservice. When you take an introductory class in any topic, from physics to programming, the concepts are necessarily simplified. It is like teaching a child to read. You start with phonics in English and tell the child that letters make sounds. Oops. But it isn't really that simple, is it? Phonetic rules change and words in English have complex etymologies. Rules you learn as a new reader quickly vanish or have to be understood as a small part of a complex flowchart. Economic principles like "supply and demand" or "externalities" seem simple enough in the language and models of Econ 101. And then you head into the bushes and discover there are more...