🎓 Prepared by students from Boğaziçi University

What is Budgeting?

Budgeting is the process of planning and controlling financial resources by setting expected revenues and expenses for a future period. It aligns organizational goals with financial reality and provides a benchmark for monitoring performance.

Short answer

A budget is a quantitative plan of expected revenues, expenses, and cash flows. It serves three roles: planning (allocate resources), control (monitor performance against plan), and motivation (drive accountability and goal alignment).

Budget Cycle: Planning, Execution & Analysis
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  1. 1.1. Planning PhaseSet organizational goals. Forecast revenues based on market demand and historical data. Estimate expenses by department and category. Build the budget.
  2. 2.2. Approval PhaseSenior management reviews and approves budget. Negotiate and finalize allocations. Communicate to all departments.
  3. 3.3. Execution PhaseDepartments implement strategy and incur actual revenues and expenses. Track spending month-by-month. Monitor cash flow.
  4. 4.4. Analysis & Control PhaseCompare actual performance to budget. Calculate variances (actual − budget). Investigate causes. Adjust if needed for next period.
  5. 5.5. Feedback & LearningReport results to leadership. Document lessons learned. Improve next year's budget accuracy and process.
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Step-by-step worked examples

A marketing department budgets $50k for digital ads in Q1, but spends $62k. Is this good or bad, and why should they investigate?

Budget: $50k; Actual: $62k; Variance: −$12k (unfavorable, over budget)
Investigate the variance: Did they run unplanned campaigns? Did CPM costs rise? Did a promotion extend into Q1?
If the overspend drove higher conversions or revenue, it may be acceptable
If it was wasteful, implement controls to prevent next time
Update next period's budget based on lessons learned

A startup estimates revenue of $200k for Year 1, but actual is $180k (−$20k unfavorable). What should they do?

Analyze the revenue shortfall: Did market demand drop? Did customer churn increase? Did sales cycle extend?
If structural, reduce expenses to match lower revenue (cost-cutting)
If temporary, maintain some investment and plan to catch up in Year 2
Revise Year 2 forecast and adjust hiring/capex plans to match realistic revenue

A production facility budgets $500k annual labor, but Q1 actual is $140k vs. $125k budget. Should they be concerned?

Variance per quarter: $140k actual − $125k budget = +$15k unfavorable (3 months)
Annualized run-rate = $140k / 3 × 12 = $560k, which is $60k over $500k budget
This IS a concern—investigate: Did overtime spike? Did headcount increase? Did wage rates rise?
If Q1 is one-time (training, startup), budget may correct in later quarters
If structural, adjust full-year budget and plan staffing changes
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Flashcards

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Quick quiz

Q1.If a department budgets $100k in expenses and spends $95k, the variance is…

Correct answer: A. Actual $95k < Budget $100k, so they spent less = favorable. Variance = $95k − $100k = −$5k, but a negative variance on costs is favorable.

Q2.Which is NOT a primary purpose of a budget?

Correct answer: C. Budgets guide future planning and control; financial statements report historical results. Both are needed—budgets don't replace statements.

Q3.A production line budgets 1,000 units at $50/unit = $50k, but produces 1,050 units at $48/unit = $50.4k. Why the cost savings per unit?

Correct answer: D. Lower per-unit cost ($48 vs. $50) can result from efficiency, scale, or purchasing savings—all common reasons.

Q4.The budget cycle is…

Correct answer: B. Effective budgeting is cyclical: plan, then execute with regular monitoring and review to improve future budgets.
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Common mistakes

Setting a budget and never updating or monitoring it.Correct: Budgets need monthly/quarterly reviews, variance analysis, and adjustments if conditions change.

Treating a budget overrun as automatic failure.Correct: Investigate the cause. An overspend on high-ROI activities may be justified; a miss on forecast doesn't mean bad planning.

Budgeting only for costs, ignoring revenue.Correct: A complete budget includes revenue forecasts, expenses, and cash flow—all three are interdependent.

Using last year's budget as this year's without reassessment.Correct: Budget annually from first principles: review market, goals, resources, and constraints; adjust for changes.

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FAQ

What is budgeting fundamentals?

The process of planning revenues and expenses for a future period, then monitoring actual performance against that plan to control and improve operations.

Why is budgeting important?

Budgets align resources with goals, provide control benchmarks, and motivate accountability. They guide decision-making and help prevent financial surprises.

What is a budget variance and why does it matter?

Variance is the difference between actual and budgeted amounts. Investigating variances reveals whether performance is on track, whether forecasts are accurate, or if changes occurred.

How often should we review and adjust budgets?

Most organizations review budgets monthly or quarterly. Annual budgeting is standard, with rolling forecasts updated throughout the year if needed.

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