Comment on: “A probability-based stress test of Federal Reserve assets and income” by Jens H.E. Christensen, Jose A. Lopez and Glenn D. Rudebusch

- Questions modelling on past data to capture changed central bank behaviour at the ZLB;
- notes the incompleteness of stress tests when the balance sheet is not shocked;
- explains why stress testing central bank finances is not cost-benefit analysis and
- addresses the unspoken question of why the Fed׳s financial results should matter.