you want to make sure you can get a job.” 3. They’re — gasp! — actually interested in economics. Another theory is that the financial crisis of 2008, and subsequent recession, have made it an exciting time to study what’s going on in the. Why You Should Never Use the Hodrick-Prescott Filter James D. Hamilton. NBER Working Paper No. 23429 Issued in May 2017 NBER. And if your boss is…