22208 Chap.11 Sustainability Accounting and Decision-Making
Sustainability Accounting and Decision-Making
Week 11 considers how management accounting documents sustainability practices. It covers externalised costs that fall on society, sustainability value chains, triple bottom line reporting across people, planet and profit, sustainability-related KPIs and environmental costs inside organisations.
Questions test classification, such as which leg of the triple bottom line an item belongs to, and the trade-off between prevention, appraisal and failure costs.
The topic’s quiz shows the style of question to expect: identify which leg of the triple bottom line an item belongs to, recognise a value creation lever and its likely effect, judge the balance between prevention, appraisal and failure costs, and spot which SMART characteristic a goal lacks.
A pre-workshop recording on sustainability is also examinable, so add its main points to your notes.
What this chapter covers
- 01
Sustainability and the role of management accounting
- 02
Externalised costs and sustainability value chains
- 03
Triple bottom line: people, planet and profit
- 04
Sustainability KPIs and SMART goals
- 05
Prevention, appraisal and failure costs
Worked example · free
Classifying items in a sustainability report
- 1(a) Water use is an environmental measure: the planet leg.
- 1(b) Community donations belong to the social leg: people, even though they cost cash.
- 1(c) Net profit is the economic leg: profit.
- 1The goal is neither measurable nor time-bound; a SMART version names a target, such as a stated percentage cut in energy per litre, and a deadline.
Key terms
- Triple bottom line
- Reporting that covers social, environmental and economic performance: people, planet and profit.
- Externalised cost
- A cost of a business’s activity borne by the community or environment rather than the business.
- Prevention cost
- Spending that stops environmental damage from occurring in the first place.
- Appraisal cost
- Spending on monitoring and testing that detects environmental problems.
- Sustainability value chain
- The stages from raw materials to the customer, traced for their environmental and social effects.
Sustainability Accounting and Decision-Making FAQ
Which costs should a business prioritise to manage environmental impact?
The topic’s quiz points to prevention and appraisal costs ahead of failure costs, because stopping and detecting problems early is usually cheaper than cleaning up afterwards. It also warns that a business can over-invest in prevention and appraisal.
How can sustainability create value for a business?
Through value creation levers. One example in the topic is market share: customers who value a business’s sustainability practices are less likely to leave, so customer churn falls and revenue becomes more stable.
What makes a sustainability KPI SMART?
It is specific, measurable, achievable, relevant and time-bound. A goal that names the action, how success will be measured and a deadline may already meet all five, so check every element before deciding one is missing.
What is an externalised cost?
It is a cost created by a business’s activity that falls on someone else, such as the community or the environment, rather than appearing in the business’s own accounts. The topic treats organisations as responsible for these costs, and management accounting helps make them visible.
Why does sustainability matter to management accounting?
Decisions made today have long-term effects on resources, communities and the environment. Management accounting can document sustainability practices, trace costs that would otherwise be ignored and set KPIs, so managers see the full consequences of their choices across people, planet and profit.
Exam move
Make a three-column sheet for people, planet and profit and sort every example you meet into it. Practise rewriting vague goals as SMART KPIs, and rehearse one numerical comparison of prevention, appraisal and failure costs so you can explain the trade-off in figures. Because answers here are short, practise writing each in two sentences: the classification or judgement, then the reason drawn from the topic.
Finally, compare two years of environmental costs in a small table of your own and explain the shift in a sentence, since a short numerical comparison followed by a judgement is a natural way for the exam to test this topic.
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