Remember to use any online resource alongside Edexcel's specification and past papers! You can find older papers from all specs on PMT.
Why
🥇Topic notes, videos, case studies, and slideshows of all the diagrams you need to know. This is by far the best!
🥈Great videos to clear up difficult ideas.
🥉Good notes to supplement what you learn in class
Honourable Mentions: SaveMyExams, CGP A-Level Economics Revision Book, Official Pearson Textbook, KhanAcademy
Advice
Before revising anything, review the specification; this is your checklist, and it's worth remembering exactly what is on there.
For shorter response questions, mirror the mark breakdown given in past mark schemes. For example: 2K2Ap, 2k2Ap2An, 2k2Ap2An2Ev.
Memorise how to draw all the relevant diagrams so you can apply them quickly in your longer responses.
For A2, you must memorise case studies for each topic and apply these in your answer.
Plan your essays, and make sure your answer has sustained chains of reasoning so you can reach higher mark levels.
There are 4 papers in Edexcel's Economics IAL. Each paper is worth 80 points, and your mark is converted into a standard UMS score out of 100. You need 320 UMS points overall AND 180 UMS points in Units 3 and 4.