The paper 1 part a essay for the new IB Economics syllabus (first exams 2022) is not that different from the old syllabus.
The only difference in the 10-mark essay question in paper 1 is less of an emphasis on real-world examples. Also, students can now spend up to 30 mins on the essay, as opposed to about 20 mins in the old syllabus.
Focus is given to understanding the specific demands of the question, as well as effectively explaining relevant economic theory and drawing/fully explaining a relevant diagram.
Because of that, I teach my students a DEDU framework (which contrasts with the old DEED framework).
Here’s my video explaining how I teach my students to structure their essay: