7 Exogenous Inflows and Real Exchange Rates: Theoretical Quirk or Empirical Reality?
- Boriana Yontcheva, Peter Isard, Leslie Lipschitz, and Alex Mourmouras
- Published Date:
- April 2006
There are “known knowns”. These are things we know that we know. There are “known unknowns”. That is to say, there are things that we know we don’t know. But there are also “unknown unknowns”. These are things we don’t know we don’t know.
U.S. Secretary for Defense on the search for weapons of mass destruction in Iraq, February 2002