Economics Hl Formula Booklet Repack _best_ - Ib
Ultimate IB Economics HL Formula Booklet Repack: The Guide to Acing Your Quantitative Exams
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Measures responsiveness of demand to a change in income (
ΔTCΔQthe fraction with numerator cap delta TC and denominator cap delta cap Q end-fraction : Total Revenue (TR) : Profit : Profit Maximisation : Occurs where Unit 3: Macroeconomics GDP Calculation (Expenditure Approach) : Real GDP : Keynesian Multiplier ( ) :
In this article, we will deconstruct exactly how to repack your formula booklet for maximum efficiency, highlight the hidden formulas the IB expects you to memorize, and provide a blueprint to turn your booklet from a crutch into a weapon.
[ \textTOT = \frac\textExport price index\textImport price index \times 100 ] ib economics hl formula booklet repack
[ \textPED = \frac%\ \textchange in quantity demanded%\ \textchange in price ] It usually yields a negative value (ignoring the sign).
Never leave a number hanging; always write down currency symbols, percentages, or millions/billions where applicable.
CS=12×Base×HeightCS equals one-half cross Base cross Height
: Features recent versions like the "Econ HL Formula Booklet 2024".
[ \textUnemployment rate = \frac\textUnemployed\textLabour force \times 100 ] Ultimate IB Economics HL Formula Booklet Repack: The
Macroeconomic mathematics focuses heavily on national income accounting, inflation metrics, and the multiplier effect. National Income and the Keynesian Multiplier
MPS=ΔSΔYMPS equals the fraction with numerator cap delta cap S and denominator cap delta cap Y end-fraction The Multiplier (
| Concept | Official Formula | Repack Strategy (The "Cheat Code") | | :--- | :--- | :--- | | | (%ΔQd)/(%ΔP) | Remember: Always report absolute value (drop -). | | YED | (%ΔQd)/(%ΔY) | Sign matters: + = Normal good; - = Inferior. | | XED | (%ΔQd Good A)/(%ΔP Good B) | + = Substitutes; - = Complements. | | PES | (%ΔQs)/(%ΔP) | Flows from zero to infinity. | | Tax Revenue | Tax per unit × Quantity after tax | Draw the wedge. Area of rectangle under DWL. | | Consumer Surplus (CS) | ½ × Base × Height (demand curve to price) | After tax, CS shrinks to the triangle left of Qty new. | | Producer Surplus (PS) | ½ × Base × Height (price to supply curve) | After tax, PS shrinks. | | DWL (Tax) | ½ × (Tax per unit) × (ΔQuantity) | The deadweight loss triangle. | | Price Ceiling Shortage | Qty demanded – Qty supplied (at ceiling price) | Calculate using the linear functions. |
Here are its typically found in such a “repack”:
IB Paper 3 mark schemes allocate explicit marks for correct formulas and step-by-step substitution, even if the final mathematical calculation contains a minor arithmetic error. | | YED | (%ΔQd)/(%ΔY) | Sign matters:
If you want to practice with a from a specific paper type.
Paper 3 often requires you to manipulate national income data or calculate the impact of fiscal policy. : Expenditure Method : Real GDP : The Keynesian Multiplier : Formula : Inflation and Unemployment : CPI/Inflation Rate : Unemployment Rate : 3. The Global Economy: Trade and Development
Measures the relative price of a country's exports to its imports.
When governments intervene via taxes or subsidies, it creates a wedge between what consumers pay and what producers receive.