The book that has served as the gatekeeper and the guide for decades is by Carl P. Simon and Lawrence Blume.
If you have ever taken a graduate-level economics course, or even a rigorous upper-division undergraduate course, you have likely heard the whispered warning: “You need to know your math.” mathematics for economists simon blume
Have you survived Simon & Blume? Drop a comment below with your favorite (or most hated) chapter. The book that has served as the gatekeeper