Mnuchin Is Not Wrong: Secular Stagnation and the Value of the Dollar

A couple of days ago, Treasury Secretary Steven Mnuchin touched off a firestorm by saying something that is obviously true. He said that a lower-valued dollar would reduce the trade deficit. 

As I pointed out yesterday, this is based on the radical concept of downward sloping demand curves. The idea is that when the dollar falls in value relative to other currencies, it makes goods and services produced in the United States cheaper for people living in other countries. This means that th...