Description
Calculate a signed price-cost markup under a chosen denominator.
Economic scalar terms depend on price/cost units, denominators, currency direction and the distinction between supplied scenarios and estimated behavior. A price-based margin differs from a cost-based markup, while a constant-revenue construction does not estimate demand. Local taxes, rebates and effect sums retain their stated accounting assumptions.
Calculate a signed price-cost markup under a chosen denominator.
When to use this tool
Use Marginal Cost Price Markup Denominator when you already have price, marginalCost, divideByPrice and need to calculate a signed price-cost markup under a chosen denominator.
How to use the tool and how it works
- Enter price, marginalCost, divideByPrice. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read signedMarkup, denominator. Use the output convention below.
Choose price or marginalCost as denominator, require that chosen value nonzero, and return (price-marginalCost)/denominator with the denominator.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| price | Price | Required. Finite number. |
| marginalCost | Marginal Cost | Required. Finite number. |
| divideByPrice | True returns a price-denominator margin; false returns a marginal-cost-denominator markup. | Required. Boolean. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| signedMarkup | Signed Markup | Required. Finite number. |
| denominator | Denominator | Required. Finite number. |
{
"input": {
"price": 12,
"marginalCost": 8,
"divideByPrice": true
},
"output": {
"signedMarkup": 0.3333333333333333,
"denominator": 12
}
}Limitations and assumptions
- Unchosen denominators may be zero and all values may be signed. A cost-based markup and price-based margin are different fractions; no market power is estimated.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
- Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.
Alternative or Complementary methods
Use the complete budget, demand, cost and applicable rule definitions for an economic conclusion. Estimate and validate the actual model when effects or responses are needed; one signed wedge, supplied share or algebraic identity does not establish behavior or policy outcomes.
References
Similar or alternative tools
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Subtract a supplied rebate and flag a rebate larger than the listed price.