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IB Economics Paper 2 Calculations Guide
Home / Blog / IB Economics

IB Economics Paper 2 Calculations Guide

IB Economics5/2/2026•6 min read

Calculation marks are some of the cleanest marks on the paper. The issue is not difficulty. It is skipping the formula, dropping the units, or rushing the sign on a percentage change.

The core calculations to know

  • Elasticity
  • Revenue
  • GDP and GNI
  • Percentage change

The Paper 2 method

  1. Write the formula
  2. Insert the numbers from the case study
  3. Show each step
  4. State the final value with the correct unit

If you want the two calculations that come up most often, revise elasticity and GDP and GNI first.

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More IB Economics guides

How to Calculate Elasticity in IB Economics →How to Calculate GDP and GNI in IB Economics →IB Economics Paper 2 Walkthrough: Kenya Case Study →

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