1. The American Economic Association Graduate Study in Economics Web Pages.
2. Job Openings for Economists (AEA).
3. The American Economic Review.
4. Resources for Economists on the Internet.
5. Useful software for Economists.
6. Greg Mankiw's Blog: Advice for Grad Students: http://gregmankiw.blogspot.ca/2006/05/advice-for-grad-students.html
7. A few useful tips collected from the web: https://ideas.repec.org/zimm/students/graduatestudies.html
8. Tips for Economist: http://people.su.se/~mkuda/tips4economists.html