Ib Economics Hl - Formula Booklet Repack
The IB Economics HL Formula Booklet is a compact toolkit meant to translate economic ideas into clear calculations. Repacking the booklet means reorganizing those core formulas and concepts so students can quickly apply them during revision and exams. Below is a concise, exam-focused write-up that groups the most useful HL formulas with short notes on use, common pitfalls, and an efficient study layout.
Official: [ \textMultiplier (k) = \frac11 - \textMPC ] Repack Expansion: [ k = \frac1\textMPS + \textMPT + \textMPM ] Where MPS = Marginal Propensity to Save; MPT = Marginal Propensity to Tax; MPM = Marginal Propensity to Import.
Memory Device: "The more leakages (S, T, M), the smaller the multiplier." ib economics hl formula booklet repack
Application in Repack:
Change in GDP = Initial spending × Multiplier.
Example: Government spends $10M, MPC = 0.8 → k = 5 → Total GDP change = $50M.
[ \textPPP exchange rate = \frac\textPrice of basket in domestic currency\textPrice of same basket in foreign currency ] The IB Economics HL Formula Booklet is a
If you want, I can:
The "IB Economics HL Formula Booklet Repack" is not an official IB publication, but rather a student-created or third-party compiled resource that reorganizes the official IB Economics formula booklet (provided in exams) into a more study-friendly format. If you want, I can:
Here are its key features typically found in such a “repack”:

