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Intervention Cost Person Hour Input

Calculate explicit intervention person-hours and supplied hourly cost without estimating outcomes or economic value.

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Description

Calculate person-hours and a supplied intervention labor-cost contribution.

Policy analysis depends on declared eligibility bounds, reference periods, indicator direction and resource denominators. A linear phase-in or household weight is an explicit scenario assumption. A preferred-direction change, age predicate or cost contribution does not establish policy effectiveness, causal impact, actual eligibility or the governing legal rule.

Calculate person-hours and a supplied intervention labor-cost contribution.

When to use this tool

Use Intervention Cost Person Hour Input when you already have personCount, hoursPerPerson, suppliedCostPerHour and need to calculate person-hours and a supplied intervention labor-cost contribution.

How to use the tool and how it works

  1. Enter personCount, hoursPerPerson, suppliedCostPerHour. Use the units and conventions below.
  2. Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
  3. Read personHours, totalCost. Use the output convention below.

Require nonnegative safe whole personCount and nonnegative hoursPerPerson/costPerHour; return people*hours and that product*cost.1

Input fieldMeaning and unitsAccepted input
personCountPerson CountRequired. Safe integer; minimum 0.
hoursPerPersonHours Per PersonRequired. Finite number; minimum 0.
suppliedCostPerHourSupplied Cost Per HourRequired. Finite number; minimum 0.
Output fieldInterpretationReturned shape
personHoursPerson HoursRequired. Finite number.
totalCostTotal CostRequired. Finite number.
json
{
  "input": {
    "personCount": 20,
    "hoursPerPerson": 3,
    "suppliedCostPerHour": 15
  },
  "output": {
    "personHours": 60,
    "totalCost": 900
  }
}

Limitations and assumptions

  • Assumes equal supplied time per person; no staffing adequacy, indirect costs or appropriate intervention is determined.
  • 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 full eligibility or phase-in rule and its source when evaluating a real policy record. For effectiveness questions, use a study design that addresses the comparator, timing and population; local costs or direction flags alone do not supply that evidence.

References

  1. Calculation and input contract: public-policy/intervention-cost-person-hour-input — tool.io

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