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Two-Producer Opportunity Cost Calculator

Compare opportunity costs for two goods using each producer’s output per equal labor input.

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Calculator inputs

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How to use this calculator

  1. Enter the known values in the units shown. Results update as you type.
  2. Edit a calculated value to solve backwards, or lock a value to hold it fixed.
  3. Use the worked example to check the method. Reset restores the starting fields.

Use the result with context

Results are estimates for planning and education. Confirm rates, taxes, fees, and legal requirements with the relevant institution or a qualified professional before making a financial decision.

Formula and method

For the same labor input, producer 1 can make either 100 units of A or 50 of B; producer 2 can make either 40 of A or 40 of B. One A costs 0.5 B for producer 1 and 1 B for producer 2. Producer 1 has the lower opportunity cost for A; producer 2 has the lower cost for B.

Opportunity cost of one A = B output ÷ A output; opportunity cost of one B = A output ÷ B output

Worked example

Enter these known values and leave the other values blank.

Producer 1: output of A
100
Producer 1: output of B
50
Producer 2: output of A
40
Producer 2: output of B
40
Producer 1: B forgone per A
0.5 good B
Producer 1: A forgone per B
2 good A
Producer 2: B forgone per A
1 good B
Producer 2: A forgone per B
1 good A

Assumptions and limitations

  • Use positive quantities of the same two goods and a comparable labor-input basis. The pairs are alternative outputs if labor is devoted to either good, not outputs made simultaneously.
  • This model assumes constant opportunity costs. It excludes transport costs, changing productivity, other resource constraints and market prices. A tie in opportunity costs gives neither producer a strict comparative advantage for that good.

Common questions

Does the producer with more output always have comparative advantage?

No. More output from the same input is an absolute advantage. Comparative advantage depends on the lower opportunity cost for a particular good.

Which ratio identifies the lower opportunity cost for A?

Compare B forgone per A between producers. The smaller ratio identifies the lower opportunity cost for A. Compare A forgone per B separately for good B.

References

The calculation equations, inverse formulas, units, and input rules were imported from this source. Bookify provides the interface and equation solver.

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