Lerner Index Calculator
Result
Lerner Index Calculate Lerner Index to measure market power. Ranges from 0 (perfect competition) to 1 (monopoly), indicating price premium over marginal cost. — free online calculator.
Formula
- Lerner Index Calculator calculates its result from Price, Marginal cost. It uses the formula (P-MC)/P. Change any input to recalculate the result instantly.
- The main inputs are Price, Marginal cost. Enter them in the units and format shown in the calculator.
- Use monetary amounts, rates and time periods exactly as labeled; the result reflects the assumptions entered on this page.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Lerner Index
- Price: 100
- Marginal cost: 60
Using Price = 100, Marginal cost = 60, the calculated result is 0.4.
Sample result: Calculating…
Frequently asked questions
What does the Lerner Index calculate?
Lerner Index Calculate Lerner Index to measure market power. Ranges from 0 (perfect competition) to 1 (monopoly), indicating price premium over marginal cost. — free online calculator.
Which values should I enter?
Enter Price, Marginal cost using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: (P-MC)/P.
Why might my result differ from another source?
Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.