Useful Links for Ph.D. Students"Writing Tips for Ph.D. Students," by John Cochrane.
Read this before you ask me to read your paper! Also has great tips for seminar presentations (i.e. how to avoid many of my pet seminar peeves). A must-read not only for Ph.D. students, but also many professors.
"Ph.D. Thesis Research: Where Do I Start?," by Don Davis.
"How to Build an Economic Model in Your Spare Time," by Hal Varian.
"My Rules of Thumb," by Greg Mankiw.
"A Guide and Advice for Economists on the U.S. Junior Academic Job Market (2011-2012 Edition)," by John Cawley.
David Laibson's Job Market Tips.