Budgeting, Organization and Campaign ImplementationIntroduction and ContextIntegrated marketing communication (IMC) becomes commercially meaningful only when strategy is converted into coordinated action. A campaign may have a compelling insight and an attractive creative idea, yet fail because its budget is unrealistic, responsibilities are unclear, suppliers are poorly managed, or activities are delivered at different times and with inconsistent messages. Budgeting, organization and implementation are therefore not administrative afterthoughts. They are managerial capabilities that connect brand objectives with market outcomes. Budgeting determines what the organization can attempt and how resources will be allocated. Organization determines who makes decisions and who performs the work. Implementation determines whether the intended customer experience is delivered accurately, consistently and on time. This chapter explains major communication-budgeting methods, examines agency and in-house operating models, develops the campaign brief as a control document, and presents practical systems for vendors, workflows, governance and cross-functional delivery. Learning ObjectivesBy the end of this chapter, students should be able to: - Explain the strategic role of IMC budgeting.
- Apply the objective-and-task method and compare it with alternative methods.
- Evaluate agency, in-house and hybrid operating models.
- Prepare and assess an effective creative or integrated campaign brief.
- Design workflows for vendors, approvals, risk control and cross-functional delivery.
- Evaluate implementation using financial, operational, communication and brand measures.
1. The Logic of IMC BudgetingA communication budget is a planned allocation of money, people, time and production capacity to achieve specified marketing and brand outcomes during a defined period. Although the word “budget” usually refers to money, managers should also recognize scarce non-financial resources: senior management attention, creative capacity, data access, media inventory, retail space and organizational time. A useful budgeting system answers four questions: - What business and communication outcomes are required?
- Which audience changes are necessary to produce those outcomes?
- Which activities and channels can plausibly create those changes?
- What level and pattern of investment are justified by expected results and risk?
A budget should not be interpreted as a guarantee of sales. Market demand, distribution, pricing, competitors, economic conditions and execution quality also influence performance. The budget is better understood as a resource commitment linked to a theory of how communication will work. 1.1 Budget categoriesAn IMC budget commonly includes: | Category | Typical contents |
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| Research and insight | Consumer research, social listening, brand tracking | | Strategy and planning | Agency fees, workshops, audience and channel planning | | Creative development | Concepting, design, copy, testing, adaptation | | Production | Film, photography, audio, print, digital assets, packaging | | Media | Paid search, social, television, outdoor, publishers, creators | | Activation | Events, sampling, promotions, sponsorships, retail execution | | Technology and data | Platforms, analytics, tagging, dashboards, CRM operations | | Measurement | Brand lift, attribution, experiments, post-campaign evaluation | | Contingency | Approved reserve for uncertainty and controlled change |
The distinction between working media and non-working costs is useful but must be interpreted carefully. Media expenditure reaches audiences directly, while creative, production, research and agency costs enable that exposure. A low production budget may reduce the effectiveness of a large media investment; conversely, excessive production spending may leave insufficient funds for reach and frequency. 2. Budgeting Methods2.1 Objective-and-task budgetingObjective-and-task is generally the most strategically defensible method. It proceeds from desired outcomes rather than from last year’s expenditure. The manager identifies objectives, specifies tasks, estimates the cost of each task, and sums the costs. The basic relationship is: B = ∑ᵢ (qᵢ × cᵢ) + F + R where: - B = total proposed budget, in currency units;
- qᵢ = quantity of task or resource i;
- cᵢ = unit cost of task or resource i, in currency units per unit;
- F = fixed costs, such as retainers or platform fees;
- R = approved contingency reserve;
- ∑ᵢ = sum across all tasks.
The equation assumes that task quantities and unit prices are sufficiently specified and that costs are additive. It is a planning identity, not a prediction of revenue. Example. A launch plan requires 3,000,000 paid impressions at £8 per thousand impressions, creative production of £18,000, research of £7,000 and a 10% contingency applied to the subtotal. Media cost: (3,000,000 ÷ 1,000) × £8 = £24,000 Subtotal: £24,000 + £18,000 + £7,000 = £49,000 Contingency: £49,000 × 0.10 = £4,900 Total budget: £49,000 + £4,900 = £53,900 The manager should next test whether 3,000,000 impressions, the selected audience, and the proposed creative are sufficient to achieve the launch objective. Calculation alone does not validate the assumptions. Strengths. The method is transparent, linked to strategy, auditable and adaptable to different channels. It makes underfunded objectives visible and supports scenario planning. Limitations. Objectives may be vague, causal links may be uncertain, cost estimates may be optimistic, and managers may produce a detailed list of tasks without demonstrating that the tasks will change behavior. A high-quality objective-and-task budget therefore distinguishes: - Business objectives: for example, increase trial or revenue.
- Communication objectives: for example, increase awareness or perceived relevance.
- Audience tasks: for example, reach a defined segment, reduce a barrier and provide a reason to act.
- Execution tasks: for example, research, produce assets, buy media and evaluate outcomes.
2.2 Percentage-of-sales budgetingUnder this method, the budget is set as a percentage of current or forecast sales: B = p × S where B is the budget, p is the decimal budget rate, and S is the relevant sales base in currency units. If forecast sales are £2,000,000 and the rate is 5%, the budget is £100,000. The method is simple and provides a visible affordability rule. However, it can make communication pro-cyclical: declining sales reduce the budget precisely when stronger support may be needed, while rising sales increase spending without proving that additional communication is required. It is best treated as a benchmark or constraint, not as a complete strategic logic. 2.3 Affordable or residual budgetingThe organization first funds other commitments and assigns whatever remains to communication. This approach may be rational for a small firm facing severe liquidity constraints, but it treats communication as a residual rather than as an investment. It can produce unstable timing, insufficient continuity and weak bargaining power with suppliers. 2.4 Competitive-parity budgetingManagers compare spending with competitors, using market intelligence, share-of-voice estimates or industry norms. The logic is that a brand should not become disproportionately invisible. Yet competitor spending does not reveal competitor objectives, efficiency, profitability or strategic quality. Matching a competitor can reproduce its errors. Competitive data is more useful as a diagnostic input than as the sole budget rule. 2.5 Return-based and experimental budgetingA return-based approach evaluates expected incremental contribution relative to expenditure. A simplified return-on-investment expression is: ROI = (I − C) ÷ C where I is incremental contribution attributable to the activity and C is its cost. Both must be measured in the same currency and over a defined period. If incremental contribution is £150,000 and cost is £100,000, ROI is 0.5, or 50%. The critical term is incremental. Total sales during a campaign are not automatically caused by communication. Attribution is difficult because of seasonality, distribution changes, price promotions, competitor activity and multiple channels. Experiments, matched-market tests, holdout groups and econometric models can improve inference, but none eliminates all uncertainty. An experimental budget deliberately funds learning: pilot audiences, creative tests, channel trials and measurement. It is particularly appropriate where a brand is entering a new market or has limited evidence about channel effectiveness. A portfolio may combine committed spending, test spending and a controlled reserve. 2.6 Comparing methods| Method | Main advantage | Main risk | Appropriate use |
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| Objective-and-task | Strategic transparency | Weak objectives or unreliable cost estimates | Primary planning method | | Percentage of sales | Simple and predictable | Pro-cyclical and sales-dependent | Benchmark or constraint | | Affordable | Protects cash | Communication becomes residual | Severe resource constraints | | Competitive parity | Provides market context | Copies competitors without evidence | Diagnostic comparison | | Return-based | Links investment to contribution | Attribution uncertainty | Evaluation and optimization | | Experimental | Generates learning | Short-term results may be volatile | New channels or uncertain markets |
In practice, capable managers use a hybrid: objective-and-task to construct the proposal, percentage or affordability rules as financial constraints, competitive data as context, and experiments to improve future decisions. 3. Budget Governance and ControlBudget approval should occur at several levels. Senior leadership confirms strategic priorities and risk tolerance; finance validates affordability and accounting treatment; marketing approves the communication logic; procurement reviews supplier terms; legal and compliance teams assess claims, data use and contractual exposure. A useful control architecture includes: - a budget owner with authority over the total allocation;
- cost-center and purchase-order discipline;
- an approved scope and change-control procedure;
- monthly or stage-gate forecasting;
- commitments tracking, not merely invoices paid;
- documented contingency rules;
- post-campaign reconciliation and learning review.
A contingency is not a hidden fund for uncontrolled scope expansion. It should have a defined percentage or amount, permitted uses, an approver and a record of releases. Managers should distinguish scope change—adding work—from rework—correcting an error. The responsible party and commercial treatment may differ. 4. Organizing IMC Work4.1 Functional, brand and matrix structuresIn a functional structure, specialists report through departments such as media, creative, public relations, digital, sales and research. Expertise is strong, but coordination across departments may be slow. In a brand-centered structure, a brand manager or integrated marketing lead coordinates the customer proposition, budget and priorities. This improves accountability but may create conflict over specialist standards or departmental resources. A matrix combines functional expertise with campaign or brand leadership. It is common in larger organizations and supports integration, but it creates dual-accountability risks. The solution is not merely an organizational chart; it is a clear decision-rights system. A RACI matrix is one practical tool: - Responsible: performs the work.
- Accountable: owns the final outcome and approval.
- Consulted: provides required input.
- Informed: receives progress or decisions.
Each major deliverable should have one accountable owner, even if several people are responsible for its completion. 4.2 Agency, in-house and hybrid modelsAn external agency can provide specialist talent, creative diversity, production capacity, media buying scale and an outside perspective. Risks include onboarding time, competing clients, knowledge loss, layered fees, unclear accountability and possible conflicts of interest. An in-house team provides proximity to the brand, rapid access to internal knowledge, confidentiality and potentially lower marginal cost for recurring work. It may face limited specialist breadth, recruitment constraints, internal bias and capacity bottlenecks. A hybrid model retains strategic ownership and core brand governance internally while using agencies or freelancers for specialist, peak-load or independent capabilities. This is often suitable for modern IMC, provided interfaces are explicit. | Criterion | Agency-led | In-house-led | Hybrid |
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| Specialist breadth | Usually high | Depends on staffing | Selectively high | | Brand proximity | Moderate | High | High for core team | | Flexibility at peak demand | High | Limited by capacity | High | | Confidentiality and control | Requires contracts | High | Shared | | External perspective | Strong | May be limited | Available when needed | | Coordination risk | Handoffs | Functional silos | Interface complexity |
Selection should consider strategic importance, required capability, frequency of work, confidentiality, speed, total cost of ownership and the organization’s ability to manage partners. The cheapest fee is not necessarily the lowest total cost: supervision, revisions, delays, production errors and lost learning also have economic consequences. 5. The Campaign BriefThe brief translates strategy into a shared operating agreement. It should be short enough to guide action but complete enough to prevent interpretation gaps. A robust brief includes: - Background and business problem: what has changed and why action is required.
- Objective: a specific outcome and time horizon.
- Audience: priority segment, context, needs, barriers and insight.
- Desired response: what the audience should think, feel or do.
- Proposition: the central value offered by the brand.
- Support or reason to believe: evidence supporting the claim.
- Brand role and tone: how the work should express identity.
- Channels and customer journey: roles of paid, owned, earned and shared media.
- Deliverables and specifications: formats, versions, languages and accessibility requirements.
- Budget and schedule: approved range, milestones and assumptions.
- Mandatories: legal, regulatory, brand and technical requirements.
- Measurement: success metrics, baselines and data sources.
- Approvals and contacts: decision rights and escalation route.
The brief must distinguish a communication objective from a business result. “Increase sales by 8%” may be a business objective; “increase consideration among category buyers from 30% to 38% during the campaign” is a communication objective, though its causal relationship to sales still requires testing. A briefing meeting should end with documented decisions, unresolved questions, owners and deadlines. “Everyone understood the brief” is not a control mechanism; written confirmation is. 6. Workflow and Campaign ImplementationImplementation converts the plan into a controlled sequence. A typical integrated workflow is: - Diagnose the problem and approve the brief.
- Develop strategic and creative routes.
- Review concepts against the brief and brand system.
- Test or validate important claims and executions.
- Produce master assets and adaptations.
- Complete legal, regulatory, accessibility and platform checks.
- Traffic assets to media, sales, retail, CRM and customer-service teams.
- Launch through a documented release process.
- Monitor delivery, response, sentiment, spend and incidents.
- Optimize within agreed decision rules.
- Close, reconcile and capture learning.
A critical-path schedule identifies tasks whose delay will delay the launch. It should include dependencies, review windows and realistic approval time. A single “launch date” is inadequate if localization, tagging, procurement or legal review must occur earlier. 6.1 Vendor managementVendor selection should evaluate capability, relevant experience, capacity, financial stability, data security, accessibility competence, insurance, sustainability practices and conflicts of interest. A statement of work should specify scope, deliverables, acceptance criteria, milestones, fees, expenses, ownership or licensing of intellectual property, confidentiality, data handling, cancellation terms and remedies for delay or defective work. Procurement discipline protects both parties. Purchase orders should precede commitments where policy requires. Deliverable acceptance should be based on agreed criteria rather than personal preference. A vendor scorecard can assess quality, timeliness, cost control, responsiveness, compliance and learning contribution. 6.2 Cross-functional deliveryIMC campaigns often fail at interfaces: marketing promises a promotion that operations cannot fulfill; sales receives no training; customer service cannot answer questions; digital tags are missing; or local markets adapt the idea inconsistently. A cross-functional launch team should include relevant representatives from brand, creative, media, digital, sales, operations, finance, legal, data, customer service and regional markets. Short decision-focused meetings should use an action log containing the issue, decision, owner, due date and status. A stage-gate system prevents expensive errors from moving forward. Gates may occur after strategy, concept, production, compliance and pre-launch readiness. Approval at a gate means that defined criteria are met; it does not mean that every stakeholder prefers the work. 6.3 Change control and riskEvery campaign requires a change process because assumptions will shift. A change request should state the requested alteration, reason, effect on budget, schedule, quality, risk and customer experience, and the required decision-maker. Informal approvals through scattered messages create ambiguity and audit problems. A risk register can classify risks by probability and impact. Typical risks include misleading claims, intellectual-property infringement, data breaches, platform rejection, supplier failure, production delay, negative public response and inconsistent localization. Preventive controls, contingency actions and escalation owners should be documented before launch. 7. Measurement During and After ImplementationImplementation measurement should combine four perspectives: - Delivery: reach, impressions, frequency, completion, availability and on-time asset delivery.
- Efficiency: cost per thousand impressions, cost per click, cost per qualified lead or cost per acquisition, where definitions are consistent.
- Effectiveness: awareness, consideration, preference, engagement quality, trial, retention or incremental contribution.
- Process health: approval time, revision cycles, defect rates, budget variance and supplier performance.
For example, cost per thousand impressions is calculated as: CPM = (C ÷ I) × 1,000 where C is media cost in currency units and I is the number of impressions. The metric assumes impressions are counted consistently and does not by itself measure attention, quality or persuasion. Budget variance may be expressed as: Variance % = ((Actual − Budget) ÷ Budget) × 100 where Actual and Budget are measured in the same currency and scope. A positive value indicates overspend under this convention; organizations should state their convention explicitly. Post-campaign review should ask not only whether targets were met, but also whether the assumptions were correct, which execution choices contributed, what was learned, and what should be stopped, scaled or tested next. Attribution claims should be proportionate to the evidence. 8. Ethical, Legal and Contemporary ConsiderationsBudget and implementation decisions affect consumers and society. Claims must be truthful, substantiated and presented without material deception. Promotions require clear terms. Personal-data collection and targeting require lawful basis, appropriate consent or other valid governance, data minimization, security and respect for user rights. Influencer and sponsored content should be clearly disclosed. Accessibility should be designed into creative assets, websites, events and customer journeys rather than added at the end. AI tools can assist with briefing, versioning, transcription, media analysis, forecasting and creative exploration. However, generated content may reproduce bias, infringe rights, disclose confidential information or make unsupported claims. Human review, approved tools, data restrictions, provenance records and final accountability remain necessary. AI should accelerate controlled work, not remove professional judgment. Contemporary campaigns also require attention to privacy changes, fragmented media environments, creator partnerships, retail media, dynamic personalization, sustainability claims and brand safety. New technology increases the need for governance because speed and scale amplify both value and error. Applied Case: The Illustrative “Northstar Oat” LaunchBackgroundNorthstar Oat, a fictional beverage brand, plans to launch an oat-based breakfast drink in two cities. The business objective is to generate trial among urban professionals aged 25–40 and secure repeat purchase through grocery and direct-to-consumer channels. ProblemThe initial proposal allocates nearly all funds to social media production and paid impressions. Retail operations, sampling, customer-service preparation and measurement are absent. The agency and internal teams also disagree about who approves claims and adaptations. AnalysisThe brand team converts the launch into an objective-and-task plan. Required tasks include audience research, a proposition workshop, master creative production, paid media, retail sampling, e-commerce content, staff training, legal review and a brand-lift study. Finance imposes a £120,000 ceiling, while leadership requires a 10% reserve within that ceiling. The team creates a RACI matrix. The brand director is accountable for the campaign; the agency is responsible for master creative; the media partner is responsible for trafficking and optimization; legal is consulted on claims; retail operations is responsible for store execution; finance is consulted on commitments; and customer service is informed and trained before launch. Approach and solutionThe budget is divided into committed delivery, a controlled test allocation and contingency. Two creative routes are tested with the priority audience. The campaign brief specifies one proposition, approved nutritional evidence, mandatory accessibility standards and separate roles for paid media, retail and owned content. A stage gate is placed before production, another before media trafficking and a final readiness gate 72 hours before launch. The final gate requires approved assets, confirmed stock, tracking validation, trained customer-service staff and a documented incident escalation route. OutcomeIn this illustrative case, the launch meets its delivery schedule and avoids the original risk of creating demand without product availability. Early data show that retail sampling produces stronger trial than expected, while one social format has high impressions but weak qualified visits. The team reallocates part of the test budget, records the decision and preserves the reserve for operational issues. The post-campaign review recommends expanding sampling and improving the social landing-page experience rather than simply increasing impressions. Learning points- A budget is stronger when every major cost is linked to a task and objective.
- Cross-functional readiness is part of communication effectiveness.
- Stage gates reduce late, expensive corrections.
- Metrics should distinguish exposure from behavioral and commercial contribution.
- A hybrid team can work effectively when accountability and interfaces are explicit.
Challenges and LimitationsNo budgeting model can remove uncertainty. Forecast sales may be wrong, media prices change, algorithms alter delivery, and consumer response may be nonlinear. Detailed task lists can create false confidence. ROI calculations can overclaim causality. Agency comparisons can ignore learning and coordination costs. Matrix structures can produce conflict when accountability is shared ambiguously. Managers should respond through scenario budgets, sensitivity analysis, pilots, explicit assumptions, independent review, disciplined documentation and continuous learning. The objective is not perfect prediction; it is responsible allocation under uncertainty. Best-Practice Checklist- Begin with business and communication objectives, not preferred channels.
- Use objective-and-task as the principal logic and record assumptions.
- Combine financial controls with learning-oriented experimentation.
- Assign one accountable owner to each major deliverable.
- Make the brief specific about audience, proposition, evidence and success measures.
- Select agencies and vendors on total value and risk, not fee alone.
- Build legal, accessibility, data and operational review into the workflow.
- Use stage gates, critical-path schedules and formal change control.
- Measure delivery, efficiency, effectiveness and process health.
- Conduct a documented post-campaign review and carry learning forward.
Chapter SummaryIMC budgeting connects resources to objectives, but no single method is universally sufficient. Objective-and-task budgeting provides the strongest strategic foundation because it identifies required outcomes, tasks and costs. Percentage-of-sales, affordability and competitive-parity methods can provide constraints or context, while return-based and experimental approaches support evaluation and learning. Organization determines how expertise, authority and accountability are coordinated. Agency, in-house and hybrid models each offer benefits and risks; the appropriate choice depends on capability, confidentiality, speed, scale and total cost. A clear RACI structure reduces ambiguity. The campaign brief is the central translation document between strategy and execution. Effective implementation requires supplier discipline, realistic schedules, stage gates, cross-functional readiness, change control, risk management and measurement. Ethical, legal, accessibility, privacy and AI-governance requirements must be integrated from the beginning. Successful campaign management is therefore a system of linked decisions rather than a single creative or media act. Key TermsBudget: Planned allocation of resources to achieve specified objectives. Objective-and-task method: Budgeting by identifying objectives, required tasks and their costs. Percentage-of-sales method: Setting a budget as a proportion of current or forecast sales. Affordable method: Allocating whatever resources remain after other commitments. Competitive parity: Using competitor spending or market norms as a budgeting reference. Incremental contribution: Additional contribution attributable to an activity relative to a suitable baseline. ROI: Return relative to investment, calculated from defined incremental contribution and cost. Contingency: Controlled reserve for specified uncertainty or approved change. Working media: Spending that purchases exposure or distribution to an audience. RACI: Responsibility framework identifying Responsible, Accountable, Consulted and Informed roles. Matrix structure: Organization combining functional expertise with brand or campaign leadership. Campaign brief: Document defining the strategic and operational requirements of a campaign. Proposition: Central value or promise offered by the brand to its audience. Stage gate: Formal decision point at which predefined criteria are reviewed. Critical path: Sequence of dependent activities that determines the minimum completion time. Scope creep: Uncontrolled expansion of agreed work. Change control: Formal process for evaluating and approving alterations to scope, cost or timing. Vendor scorecard: Structured evaluation of supplier quality, timeliness, cost and compliance. Brand safety: Controls protecting a brand from harmful contexts, associations or content. Post-campaign evaluation: Systematic review of delivery, outcomes, assumptions and learning. Review QuestionsShort Answer Questions- What is the main logic of objective-and-task budgeting?
- State one strength and one limitation of percentage-of-sales budgeting.
- What is the difference between Responsible and Accountable in a RACI matrix?
- Identify four essential components of a campaign brief.
- Why is a stage gate useful in campaign implementation?
Long Answer Questions- Compare objective-and-task, affordable, competitive-parity and return-based budgeting methods.
- Evaluate the advantages and risks of agency-led, in-house-led and hybrid IMC structures.
- Explain how vendor management contributes to campaign quality and governance.
- Discuss why communication objectives should be distinguished from business objectives.
- Describe a complete workflow from campaign briefing to post-campaign evaluation.
Analytical / Application Questions- A brand has forecast sales of £1,500,000 and uses a 4% percentage-of-sales rule. Calculate the budget and explain two reasons why the result should not automatically be accepted as strategically adequate.
- Design a RACI allocation for a campaign involving brand management, an agency, media, legal, sales and customer service. Justify the accountable owner for the campaign.
- A campaign is on budget and achieved its impression target, but consideration did not improve. Diagnose at least four possible causes and recommend an evidence-based next step.
Multiple Choice Questions with AnswersQuestion 1Which method begins by specifying objectives, identifying tasks and estimating the cost of each task? A. Affordable method B. Objective-and-task method C. Competitive-parity method D. Percentage-of-sales method Correct Answer: B. Objective-and-task method Question 2A company forecasts sales of £2,000,000 and sets communication spending at 5% of sales. What is the budget? A. £10,000 B. £50,000 C. £100,000 D. £400,000 Correct Answer: C. £100,000 Question 3In a RACI matrix, who owns the final outcome and approval? A. Responsible B. Accountable C. Consulted D. Informed Correct Answer: B. Accountable Question 4Which is a major risk of affordable budgeting? A. It always produces excessive spending B. It copies competitor strategy exactly C. It treats communication as a residual allocation D. It requires complex attribution experiments Correct Answer: C. It treats communication as a residual allocation Question 5If media cost is £30,000 and impressions are 5,000,000, what is the CPM? A. £0.60 B. £6.00 C. £15.00 D. £166.67 Correct Answer: B. £6.00 Question 6Which item is most appropriately included in a campaign brief? A. An undefined instruction to make the campaign exciting B. A list of every competitor’s internal salaries C. Audience, proposition, deliverables, budget and success measures D. Only the preferred social-media platform Correct Answer: C. Audience, proposition, deliverables, budget and success measures Question 7What is the principal purpose of a stage gate? A. To eliminate the need for campaign measurement B. To provide a formal review before work proceeds C. To transfer all accountability to the agency D. To guarantee that a campaign will increase sales Correct Answer: B. To provide a formal review before work proceeds Question 8Which operating model combines internal strategic ownership with external specialist capability? A. Purely functional model B. Agency-only model C. Hybrid model D. Residual model Correct Answer: C. Hybrid model Question 9Under the convention stated in the chapter, an actual cost above budget produces what type of budget variance percentage? A. Negative variance B. Positive variance C. Zero variance D. Unmeasurable variance Correct Answer: B. Positive variance Question 10Why must ROI calculations use incremental contribution rather than total campaign-period sales? A. Total sales are always recorded in units rather than currency B. Incremental contribution better isolates the activity’s additional effect C. ROI cannot be calculated for media activities D. Total sales exclude all customer purchases Correct Answer: B. Incremental contribution better isolates the activity’s additional effect
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