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Formula sheet
The formulas you'll reach for most often, gathered in one place.
Key ideas
- Price elasticity of demand = %Δ quantity ÷ %Δ price
- GDP (expenditure) = C + I + G + (X − M)
- Profit = Total revenue − Total cost
- Real value = Nominal value ÷ (Price index ÷ 100)
Keep going
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