There are lots of resources available online, from Economics specific resources, to study skills. I have tried to pick out a few of the more accessible and relevant links for you… including past papers as well as technical content.
If you need help with diagrams – the MRU website has several interactive tools to try.
Just want to practice the content knowledge? Then try something like Seneca or Blooket
Revision is very much a case of quality over quantity – staring at your notes or a screen for hours on end is unlikely to be as effective as 3 short sharp bursts of say, 30 mins with a quick break in between. For some more ideas take a look at this
However, probably the most important revision tool is a realistic and effective revision timetable…. here are a few examples:-
Economics for GCSE, A-Level & IB 