Ironically, this myth was a product of inappropriate methodology and resulted from the research of my eminent Cambridge teacher Harry Johnson; and it has inexplicably been a favorite thesis since 1990 of my celebrated MIT student Paul Krugman. But, while this theme continues to play well in Washington, no serious scholar buys into it, owing to the compelling refutations published in 1992 by Robert Feenstra, the most accomplished trade policy empiricist today, and in 1994 by Stanford’s Paul Romer.