Advanced Performance Management · Performance optimisation in specific contexts

Value for Money and the 3Es Framework in APM

Updated 11 October 2026 · Fact-checked

Value for money (VFM) asks whether an organisation gets the best outcome from the resources it uses. You assess it with the 3Es: economy (low cost of inputs), efficiency (best output per input) and effectiveness (outputs achieving objectives). Equity, the fairness of access, is often added.

Understand Value for Money and the 3Es Framework

Public sector and charitable bodies do not exist to make profit. So profit and ROI tell you little about how well they perform. Value for money is the main alternative. It asks whether the money spent produced the best result for the people the body serves.

The 3Es break VFM into three links in a chain. Economy is about inputs: buying the right quality of resources at the lowest cost. Efficiency links inputs to outputs: getting the most output from the resources used, or using the least resource for a given output. Effectiveness links outputs to objectives: do the outputs actually achieve the aims of the organisation?

Take a hospital. Economy is paying a fair price for drugs and staff. Efficiency is the number of patients treated per nurse or per bed. Effectiveness is whether patients are actually healthier, for example lower readmission rates. A hospital can be cheap and busy yet still ineffective if patients are not cured.

The three can conflict. Cutting cost (economy) by buying cheap materials may reduce quality and hurt effectiveness. Pushing for speed (efficiency) may reduce the quality of care. A good answer shows you see these trade-offs.

Many frameworks add more Es. Equity asks whether services reach everyone fairly, including disadvantaged groups. Others add ethics, environment or excellence. Use them when the scenario points to them, such as access, fairness or sustainability.

The main difficulty is measurement. Outputs are easy to count, such as classes taught. Outcomes are hard to measure, such as better education, and they take time and are affected by factors outside the body's control. Also, no profit figure exists to show a single bottom line, and stakeholders disagree about what success is.

Key rules to remember

Economy: Economy = actual cost of inputs compared with budgeted or benchmark cost of inputs of the required quality; Inputs only. Look at price paid per unit of resource, with quality held constant. Lower cost for the same quality means better economy.
Efficiency: Efficiency = outputs ÷ inputs (or cost per unit of output); Compare with a target, prior period or similar bodies. For example, cost per patient treated or students per teacher.
Effectiveness: Effectiveness = extent to which outputs achieve stated objectives (outcomes achieved ÷ outcomes intended); Needs clear objectives. Outcomes, not activity, are the test.
Equity: Equity = fairness of access to, and benefit from, the service across groups; An extension to the 3Es. Measure by comparing service levels across groups or regions.
Chain of VFM: Inputs → (efficiency) → Outputs → (effectiveness) → Outcomes; economy relates to the cost of inputs; Use this to place each measure in the right E.

How to solve Value for Money and the 3Es Framework questions

Use this method for any VFM or 3Es requirement, whether you must calculate measures, classify them, or evaluate performance.

1Read the requirement. Note whether you must calculate, classify, evaluate or recommend, and who the audience is.
2Identify the organisation's objectives from the scenario. Effectiveness cannot be judged without them.
3Sort each piece of data into inputs, outputs or outcomes. This stops you putting a measure under the wrong E.
4Calculate or select a measure for each E. Use cost per unit for economy and efficiency, and outcomes against targets for effectiveness. Compare with budget, past years or similar bodies.
5Interpret the results. Say what each number means and use the scenario facts to explain likely causes.
6Consider links and conflicts between the Es, and add equity or other Es if the scenario raises fairness, access or sustainability.
7Note measurement problems, such as unclear outcomes, multiple stakeholders and lack of comparators, and give practical recommendations.
8Write in the format asked (report, memo) and keep a professional tone to earn skills marks.

Quickest way: Input-output-outcome sort

When to use it: Use when time is short and you must classify measures or comment on performance quickly.

Draw a line: Inputs → Outputs → Outcomes.
Tag every figure in the scenario with I, O or R (result or outcome).
Economy = I only (cost or price of resources). Efficiency = O compared with I. Effectiveness = R compared with objectives.
Write one sentence per E: what the figure shows and whether it is good or poor.
Finish with one trade-off or measurement problem and one recommendation.

Common mistakes in Value for Money and the 3Es Framework

Confusing efficiency with effectiveness.
Both sound like 'doing well', and students focus on activity rather than results.
Fix: Efficiency is output per input. Effectiveness is whether objectives are achieved. Ask: is this about how much we got for what we used, or about whether it worked?
Calling a low-cost purchase efficient.
Students link low cost with efficiency.
Fix: Low price of inputs is economy. Efficiency needs outputs in the comparison.
Judging effectiveness without stating the objectives.
Students jump to the numbers.
Fix: Name the objective first, then compare outcomes with it.
Treating economy as always good.
Cheaper looks better on paper.
Fix: Say that cutting cost can lower quality and harm effectiveness. Economy means low cost for the required quality.
Listing the 3Es with only definitions.
Students recall theory but do not apply it.
Fix: Use scenario figures and name the organisation's services. Explain what each number means.
Ignoring equity and measurement difficulties.
Students forget the extensions and limits of VFM.
Fix: Add a short paragraph on fairness of access, outcomes that are hard to measure and conflicting stakeholder views.

Worked examples

Example 1

A local council runs a free adult-literacy programme. Last year: budget ₹40,00,000; actual spend ₹42,00,000; tutor hours bought 5,000 at a budgeted rate of ₹400 per hour, actual rate ₹420. The target was 800 learners to complete the course; 700 completed. Of those, 420 reached the required reading level. Assess economy, efficiency and effectiveness.

Show the solution

Economy: actual tutor rate ₹420 per hour against budget ₹400. That is ₹20 above budget, 5% higher (20 ÷ 400). Economy is poor, unless the higher rate bought better quality tutors.
Total spend: ₹42,00,000 against ₹40,00,000 budget. That is ₹2,00,000 (5%) over.
Efficiency: cost per learner completing = ₹42,00,000 ÷ 700 = ₹6,000. Budgeted cost per learner = ₹40,00,000 ÷ 800 = ₹5,000. Efficiency is worse by ₹1,000 per learner (20%).
Efficiency in tutor use: 700 ÷ 5,000 hours = 0.14 learners per hour. Budget: 800 ÷ 5,000 = 0.16. Lower output per hour.
Effectiveness: the objective is literacy, not completion. 420 ÷ 700 = 60% reached the required level. Against the target of 800 learners, only 420 ÷ 800 = 52.5% of the intended number achieved the outcome (this assumes the target was for learners reaching the level). State that the assumption is made.
Cost per learner reaching the level = ₹42,00,000 ÷ 420 = ₹10,000.
Conclusion and trade-off: all three Es are below target. The higher tutor rate did not improve the outcome. Recommend reviewing tutor pay and drop-out causes, and tracking the outcome measure. Mention equity: check whether drop-outs come from particular groups.

Answer: Economy: tutor rate 5% over budget. Efficiency: ₹6,000 per completing learner against ₹5,000 budgeted. Effectiveness: 420 of 700 completers (60%) reached the required level, giving a cost of ₹10,000 per successful learner. Performance is weak on all three Es.

Example 2

A charity providing meals to homeless people reports: meals served up from 60,000 to 66,000; food cost per meal down from ₹50 to ₹45; number of people who moved into stable housing within six months fell from 300 to 270. Classify each measure under the 3Es and advise the trustees.

Show the solution

Meals served are outputs. Food cost per meal is the price of inputs per unit, so it relates to economy.
Economy: cost per meal fell from ₹50 to ₹45, a 10% fall (5 ÷ 50). This is good, provided meal quality and nutrition did not fall.
Efficiency: output rose 10% (6,000 ÷ 60,000). Total food cost last year = 60,000 × ₹50 = ₹30,00,000. This year = 66,000 × ₹45 = ₹29,70,000. The charity served 10% more meals for 1% less food cost. Efficiency improved.
Effectiveness: the aim is to help people out of homelessness. People moving into housing fell from 300 to 270, a 10% fall (30 ÷ 300). Effectiveness has worsened even as efficiency improved.
Link: the charity may be serving more meals but not supporting people to find homes. The focus on cheap output may be crowding out support services.
Equity and measurement: check whether meals reach all areas and groups. Housing outcomes depend on external housing supply, so use trends and other indicators such as repeat visits.
Recommendation: add outcome measures to the reporting, review the balance between meals and housing support, and confirm food quality.

Answer: Economy and efficiency improved (cost per meal down 10%, meals up 10%), but effectiveness fell (housing moves down 10%). Trustees should add outcome targets and rebalance services toward housing support.

Exam tips

Define each E in one line, then spend most of your time applying it to the scenario figures. Marks go to application.
Always say whether a measure is an input, output or outcome before labelling it. This avoids misplaced Es.
Where you calculate cost per unit, compare it with a budget, last year or a similar body. A number alone earns little.
Mention conflicts between the Es and measurement problems. These are common discriminators in APM answers.
In a report format, keep headings and short paragraphs and finish with clear recommendations. This helps the professional skills marks.

Practice questions from Performance optimisation in specific contexts

Value for Money and the 3Es Framework in other exams

The same ground in other exams, if you are preparing for more than one or want another angle on it.

Value for Money and the 3Es Framework: frequently asked questions

What is the difference between efficiency and effectiveness in APM?

Efficiency compares outputs with inputs, such as cost per patient treated. Effectiveness asks whether outputs achieve the organisation's objectives, such as better patient health. You can be efficient but ineffective.

What is the difference between economy and efficiency?

Economy is about the cost of inputs for a given quality, such as the price paid for staff or supplies. Efficiency relates outputs to inputs. Buying cheaply is economy. Producing more from what you buy is efficiency.

Is equity part of the 3Es?

The core framework has three Es. Equity is a common extension and asks about fairness of access across groups. Use it when the scenario raises access, fairness or disadvantaged users.

Why is VFM hard to measure in public bodies?

Outcomes are often long-term, affected by outside factors and hard to put a number on. Stakeholders may disagree on objectives, and there is no profit measure. This is why you should use several measures and state their limits.