PESTLE: six boxes are the start, not the conclusion

The owner of a shoe-upper workshop in Dong Nai, a hypothetical figure, has a whiteboard with six full PESTLE boxes. The bank asks one question: which factor decides whether the workshop should sign a three-year framework contract with a large contract manufacturer and add a line, about 30 per cent more capacity? All six boxes look relevant, and that is the problem.

What has a filled-in PESTLE grid actually achieved?

An inventory, not an analysis. PESTLE is a checklist, and according to Whittington et al. (2023) a checklist earns its keep by stopping you forgetting simple items when conditions are complex (Whittington et al., 2023, p. 35). The book warns about SWOT in terms that carry over: long lists are not analysis, and what matters is knowing which items matter most (Whittington et al., 2023, p. 38). Applying that to PESTLE is my reading, and the site's library records the same trap: the value lies in choosing one factor and showing why it decides, with evidence from outside the company. The chosen factor then feeds the threats box of a SWOT.

How do you screen six boxes in one sitting?

Write the decision at the top, allow each box at most two candidate forces, and make each one a change rather than a state, with the outside document that would settle it. "Weak economy" is a state; "VND/USD exchange rate turns" is a change. Leave out general factors that sit outside the firm's field of activity, which is the book's rule for SWOT (Whittington et al., 2023, p. 38). After one morning, the hypothetical workshop has this:

Which four questions pick the deciding factor?

Score each force from 0 to 2 on the four questions below; a high score means it deserves the choice. I assembled these questions myself. They are not the PESTLE authors' procedure.

1. Would the decision change if this force went the other way?
2. Does outside evidence prove it? A sales team's opinion earns few points because of the confirming-evidence trap. Look for one document that argues the opposite.
3. Does the force move faster than the decision horizon? For a three-year contract, a change within months scores 2.
4. Is it beyond the firm's reach? A force the firm controls is a lever, not an environment. The book notes that an organisation usually has less control over its external opportunities and threats, such as macro-economic conditions, climate change or government regulations (Whittington et al., 2023, p. 37).

The scores are my judgement for a hypothetical firm, not measurements. I assumed the contract allows prices to follow the exchange rate (so the rate gets only 1 on the first question) and that the workshop alone decides on buying machines (so technology gets 0 on the last). US trade policy wins because it scores on all four. The row people argue about most is the row that needs more evidence.

What does outside evidence look like? The US tariff example

A claim needs three kinds of evidence: who is exposed to the force, what they say they will do, and whether the force itself turns. The claim for the workshop: big customers' orders in Vietnam move with how the country of origin is treated in the US market, faster than a three-year horizon. The evidence comes from Nike's public documents, outside the workshop; both fiscal years' figures are in the library's Nike factory footprint case.

Exposure. Nike's 10-K for fiscal 2026 says factories in Vietnam, Indonesia and China made about 52, 27 and 16 per cent of NIKE Brand footwear (NIKE, Inc., 2026, p. 3). The fiscal 2015 report gives 43, 32 and 20 per cent for Vietnam, China and Indonesia (NIKE, Inc., 2015). China's share halved and Vietnam's rose by about 9 percentage points. Neither manufacturing passage says why, so I do not attribute the shift to tariffs.

What the customer says it will do. According to Al Jazeera on 27 June 2025, Nike's chief financial officer said China supplied about 16 per cent of the shoes Nike imports into the US, and that the company wanted to bring that to a high single-digit share by the end of May 2026 by reallocating production. Executives said the new tariffs could add about US$1 billion to costs (Al Jazeera (News Agencies), 2025). That 16 per cent is a share of US imports, not the production share above.

The force turns. The 10-K records that on 20 February 2026 the US Supreme Court ruled that tariffs imposed under the International Emergency Economic Powers Act (IEEPA) were unauthorised. In the fourth quarter of fiscal 2026 Nike recognised a US$986 million benefit for recovering tariffs paid: US$302 million received, US$684 million still receivable at 31 May 2026 (NIKE, Inc., 2026, p. 30). That is under eight months after the chief financial officer's June 2025 remarks. One force sat in the Political box as a tax decision and in the Legal box as a court ruling; naming the force in one dated sentence is more useful than arguing over the box.

Nike also says that where trade protection is imposed it believes it can develop alternative sources of supply over time, though they may be less cost-effective (NIKE, Inc., 2026, p. 4). My reading: the ability to move is the customer's, and the risk sits in the workshop's orders.

One thing remains unproved. The sources I read give no tariff rate for Vietnamese-origin goods, so a real analyst would take it from official US government texts.

What changes in the decision once a factor is chosen?

The way you test the contract. When one force can fork, test the decision against each branch, as in scenario planning for business owners. In my reading, the workshop should set two options side by side: build the whole new line now, or build half and the rest when public signals allow. Then write one SWOT line with a date and a source, and repeat the exercise as an environmental scanning cycle. To go deep on a single legal event, read PESTEL is not a checklist.

When does PESTLE fit, and when does it not?

It fits when the decision runs for several years, is hard to reverse and depends on something you cannot steer. It does not fit when the question is at industry level: the book says frameworks for the macro-environment are not adequate for industry-level analysis (Whittington et al., 2023, p. 38); use the five forces instead, as in Porter for small firms. Nor does it fit small, reversible decisions. For choosing a foreign market, see selecting a market with PESTEL and choosing how to enter a foreign market.

Going deeper: where does PESTLE come from, what is wrong with it, and what did I read?

Whittington et al. (2023) write that macro-environmental analysis has long been a theme in strategy, with early recognition of political, economic, social, technological, environmental and legal trends since the 1960s (Whittington et al., 2023, p. 21). I could not trace who named the framework, so I credit no one. The contents page of their chapter 3 puts section 3.2.7, "key drivers for change", after the six sub-sections, followed by forecasting and scenario analysis. I read that as a sign the book treats the six boxes as input, which fits its remark that checklists often lead on to further analysis (Whittington et al., 2023, p. 35).

Criticisms, mine included: a list is not an analysis (the book says so about SWOT (Whittington et al., 2023, p. 38); applying it to PESTLE is my inference); box boundaries blur, since the Nike example passes through both Political and Legal; a grid is a snapshot while forces move, since the legal footing of the tariffs changed within eight months; and it is easy to pick evidence that suits you. In what I read, no source measures whether using PESTLE improves decisions.

The four questions are mine. The closest relative I know is Mendelow's (1981) model, which links the focus and method of environmental scanning to the dynamism of the environment and the power of stakeholders relative to the organisation; that is close to questions 3 and 4. I read only the abstract.

I read Pearson's publisher sample of the 13th edition of Whittington et al. (2023): the contents pages and pages 21, 35 and 37 to 38. I did not read chapter 3, so I do not know how the book defines each group. For Nike I read the Manufacturing and International Operations and Trade sections, the Other Matters paragraph and the tariff passages of the fiscal 2026 report, the Manufacturing paragraph of the 2015 report, and the whole Al Jazeera article.