Browse Corporate Finance

Operating and Cash Budgets

Operating and Cash Budgets covers Cash Budget, Operating Budget, Operating Statement, Runway, and related corporate-finance topics for project appraisal, capital budgets, investment inputs, and return screening.

Operating and Cash Budgets covers capital budgeting, project appraisal, investment inputs, budgets, payback tools, return metrics, and funding constraints used to allocate corporate capital.

Use these pages when a project, expansion, budget, or long-term investment decision changes cash flows, risk, hurdle rates, capital requirements, or value creation. It sits inside Capital Budgeting: How Firms Decide Which Long-Term Investments Deserve Capital, so readers can move up when the broader company-finance context matters.

Use the table below to choose the narrower corporate-finance branch before applying a term to a model, board memo, financing analysis, transaction review, or risk assessment. Move into the term page when the evidence source, calculation, agreement, filing, account, or governance right matters.

What This Branch Covers

AreaUse it for
Cash BudgetShort-term cash-flow forecast used to plan liquidity, borrowing needs, covenant headroom, and operating funding gaps.
Operating BudgetAccrual-based revenue and expense plan used to control operations, test margins, and connect business activity with cash needs.
Operating StatementInternal performance report comparing operating revenue, costs, and profit against budget to explain margins, variance, and controllable results.
RunwayLiquidity measure estimating how long a company can operate before current cash is exhausted at its net burn rate.
Variable ExpenseCost that changes with business activity, used in budgeting, margin analysis, contribution margin, and operating leverage decisions.

What to Check

  • Project scope, initial investment, operating cash flows, terminal value, and timing.
  • Hurdle rate, discount rate, payback, IRR, NPV, benefit-cost ratio, or constraint.
  • Capital budget, board approval, forecast model, engineering estimate, or contract support.
  • Sensitivity to volume, price, cost, tax, inflation, financing, and execution risk.
  • Whether the decision is project approval, ranking, deferral, replacement, or abandonment.

Common Mistakes

  • Approving a project on payback alone without value or risk context.
  • Mixing accounting earnings with incremental cash flow.
  • Ignoring mutually exclusive projects, capital rationing, taxes, working capital, and terminal assumptions.
  • Using one hurdle rate for projects with materially different risk.

Capital-budgeting content is educational and does not recommend a project, acquisition, security, or financing decision.

In this section

Choose a subsection first. Deeper term pages live inside each subsection, which keeps large topic hubs readable.

Cash Budget

Short-term cash-flow forecast used to plan liquidity, borrowing needs, covenant headroom, and operating funding gaps.

Operating Budget

Accrual-based revenue and expense plan used to control operations, test margins, and connect business activity with cash needs.

Operating Statement

Internal performance report comparing operating revenue, costs, and profit against budget to explain margins, variance, and controllable results.

Runway

Liquidity measure estimating how long a company can operate before current cash is exhausted at its net burn rate.

Variable Expense

Cost that changes with business activity, used in budgeting, margin analysis, contribution margin, and operating leverage decisions.

Revised on Sunday, June 21, 2026