▽Greg Mankiw’s Blog ●02/06 09:39 Monday, February 03, 2025Principles of Trade PolicyThe Wall Street Journal rightly calls the new Trump tariffs "the dumbest trade war in history." One positive side effect, however, is that they led me to stumble upon this old article by Doug Irwin, which I don't recall having previously seen. Though nearly 30 years old, Doug's piece is a great introduction to some of the most important ideas of