There are thousands of online resources on Economics. Knowledge is literally at your finger tips! Here I am sharing several online resources that might be useful for you in carrying out your revision as well as your assignments.
These are just a few blogs that focus on economic issues. It is important to keep in mind that blogs may contain opinions and the author's perspective on how what's going on, what data indicate, etc.
If you want further readings on macroeconomics, feel free to browse these wonderful lecture notes prepared by other instructors around the world.