Master IB Economics HL. Succeed in your IB Exams. In this course, you will learn the full IB Economics HL syllabus, master exam strategy, practice IB questions and watch worked solutions. The course is structured by syllabus topic, with practice questions integrated within subtopics. The total time to complete this course is 17 hours which includes 11 hours of recorded content and 6 hours for answering practice questions, distributed across topics.