Description
intercept = budget/price, the maximum single-good quantity if all budget is spent at that price.
A budget constraint links prices, quantities and a monetary resource. An axis intercept, residual or local share contribution describes one aspect of that constraint and does not independently solve preferences or determine actual affordability.
intercept = budget/price, the maximum single-good quantity if all budget is spent at that price.
When to use this tool
Use Budget Line Axis Intercept when checking one supplied basket, budget-line or resource-allocation term.
How to use the tool and how it works
- Enter budget, price. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read intercept. Use the output convention below.
Require nonnegative budget and positive price. intercept = budget/price, the maximum single-good quantity if all budget is spent at that price.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| budget | Budget | Required. Finite number; minimum 0. |
| price | Price | Required. Finite number; strictly above 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| intercept | Intercept | Required. Finite number. |
{
"input": {
"budget": 120,
"price": 8
},
"output": {
"intercept": 15
}
}Limitations and assumptions
- This ideal budget-axis intercept omits fixed charges, quantity limits and availability. It does not identify a preferred or feasible full basket.
- 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 feasible set and an appropriate choice model for optimization, rationing or welfare questions.
References
Similar or alternative tools
- Budget Share Compensated Change
initialExpenditure = initialShare*expenditure; shareContribution = price*suppliedCompensatedQuantityChange/expenditure.
- Budget Frontier Single Price Derivative
secondQuantity = (income-firstPrice*firstQuantity)/secondPrice; priceDerivative = -firstQuantity/secondPrice.