Economics Calculators

When revising any of the many calculations on the course it's important to check your work. These calculators will help with that. Just click the relevant link, and key in your data.

Gini coefficient 

Price elasticity of demand 

Income elastic of demand

The equi-marginal principle 

The law of diminishing marginal returns/utility 

Four-firm concentration ratio 

Herfindahl-Hirschmann Index

Composite price index

The impact of inflation on purchasing power

National income statistics (the multiplier)

Index calculator

Terms of trade

Currency converter

These calculators may be useful for other purposes:

Leaving Certificate points

Mortgage repayments