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WORKBOOK — THE CORPORATE EXECUTIVE

Chapter IV.08 · The Repair Economy

For the person with a P&L, a signature limit and a board that will ask what the payback is. This workbook assumes you are not looking for permission to do the right thing. You are looking for a category where the arithmetic already works, and a structure your treasurer will sign.

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THE PREMISE, STATED COMMERCIALLY

Three commercial facts before anything else.

First: a legal supply obligation arrives on 31 July 2026. From that date, under Directive (EU) 2024/1799, manufacturers of goods in Annex II must supply spare parts and repair tools, at a reasonable price, to any repairer — professional or not — and must repair at a reasonable price inside and outside the guarantee. If you buy parts, your negotiating position improves by statute. If you sell them, a new class of customer becomes compellable demand. Either way this is a change in the market structure of your aftermarket, and it is dated.

Second: the aftermarket is where the margin lives, and always has been. One occupation in one country — automotive service technicians and mechanics in the United States — is 825,800 people at a median of $50,620, a payroll of $41.80 billion a year. Renault has remanufactured parts since 1949, sells them 30 to 50 percent below new, and has put the circular business into a named subsidiary targeting turnover above €2,300.00 million at an operating margin above 10.0 percent by 2030 — an implied operating profit of €230.00 million. That is margin guidance, not a sustainability commitment.

Third: the labour term decides everything, and it is unforgiving. Back Market and Swappie sell the same refurbished phone. The marketplace, which touches no device, reached EBITDA break-even globally and runs a 35.0 percent EBITDA margin in France. The refurbisher, which employs the technicians, turned €248.0 million of revenue into a −8.47 percent net margin. 43.47 points, and all of it is w·h.

So the question for your business unit is not should we repair. It is: in which of our categories does the threshold rate exceed our loaded charge-out rate, and what would it take to move the ones that nearly do.

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PART ONE — DISCOVERY

Days 1–30: your own numbers already know the answer

Exercise 1.1 — Pull the four inputs you already hold (one week)

You do not need a study. Four numbers per category exist somewhere in your systems today:

Warranty data is the underused asset in almost every manufacturer and every large service operation. It is a fault library that somebody has already paid for and that nobody reads for anything except accrual.

Exercise 1.2 — Find where you already repair and do not call it that (half a day)

Ask four questions in four different rooms.

1. Which of our products come back, and what happens to them?
2. What do we do with returns, B-stock and warranty swaps today, and what do we realise on them?
3. Which customers ask us for parts, and what do we tell them?
4. Which of our field engineers has the lowest repeat-visit rate, and why?

The fourth question finds your h and your q in one person. Go and watch them work for half a day. Time the diagnosis separately from the fix.

Exercise 1.3 — The counterfactual on returns (half a day)

Cost what you currently do with a returned unit — including the reverse logistics you already pay for, the write-down you already take, and the residual value you already forgo. This is your k baseline, and it is usually already being spent. A repair line frequently does not need new money; it needs the money that is currently leaving as a write-down to leave as a cost of goods instead.

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PART TWO — THE ARITHMETIC

Days 31–45: the threshold table

Exercise 2.1 — Compute w* for your top ten categories (two days)

          q · L_r · C_n / L_n  −  p  −  k
   w*  =  --------------------------------
                        h

Build one row per category. Then add two columns your competitors will not have: your own loaded charge-out rate, and the difference.

Use your own q, measured from your own last hundred jobs. The trade average is not your number and the gap between them is usually the most informative thing on the sheet.

Exercise 2.2 — Run the sensitivity, and stop arguing about parts (half a day)

For the two or three categories closest to the line, move each lever alone and record the movement. On the chapter's worked washing machine — £400.00 new, 11-year life, 5 years of residual life, a £45.00 pump, a £60.00 callout, 1.20 hours, 90 percent first-time fix — the base threshold is £48.86 an hour and the levers move it like this:

Most organisations spend their negotiating effort on the bottom row. It is worth less than a quarter of the top one.

Exercise 2.3 — Name the category you will decline (one hour)

Run the instrument on your cheapest product and be prepared for the answer. The chapter's illustration is a €25.00 kettle, where A = €8.00 and w* = €4.00 an hour. There is no legal wage in Europe that clears it.

Write the decline down, with the number, and put it in the board paper. A repair programme that cannot name the categories it refuses will not be believed about the categories it accepts, and the refusal is the cheapest credibility you will ever buy.

Exercise 2.4 — The wage question, before somebody else asks it (one hour)

Compute the technician wage your threshold implies. Take your loaded charge-out rate and divide by your overhead multiple; the published US comparison is a shop rate of $132.00 against a median technician wage of $24.34, a factor of 5.4232.

On the worked machine that gives £9.01 an hour — 70.9 percent of the UK National Living Wage of £12.71 from April 2026. The minimum viable charge-out is £68.93, against a threshold of £48.86: a shortfall of £20.06 an hour, £24.08 on the job.

Bring that number to the board yourself. It is the single most likely question from anyone who has run a service business, and answering it before it is asked is the difference between a proposal and a plan.

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PART THREE — DESIGN

Days 46–60: the instrument

The structure: a revolving working-capital facility secured on spare-parts inventory, with a residual-life warranty as the product.

• Facility size. Parts float plus ninety days of labour cost. Parts are good collateral — fungible, priced, non-perishable — and asset-based lenders already underwrite them.
• The threshold covenant. No category enters the line until w* has been computed at your own loaded rate with your own q. Categories where R ≥ 1 are declined in writing. This is the covenant that keeps the line honest and it is the one exhibit the credit committee should see.
• The core deposit. A refundable deposit on the broken unit, refunded on return, as Renault does for mechanical cores. It converts your supply of inputs from a hope into a receivable, and it is the most effective single action on p.
• Balance-sheet treatment. Capitalise the diagnostic fault library: it has a measurable life, it reduces h on every future job in the model family, and that reduction is evidenceable from your own job times. Reman cores are inventory from the moment the deposit is taken, not scrap. Where a repair extends the life of a leased or owned asset, depreciate over the regenerated life, not the original schedule — a conversation about useful economic life that your auditors have every year anyway.
• The counterparties, in order. The manufacturer first, as an authorised service partner, because after 31 July 2026 they carry a statutory supply obligation. Insurers second — they are the largest buyer of repair in the world and they buy on cost per claim, which is R under another name. Consumers last: most expensive to acquire, least predictable to schedule.
• The product. Not an hour. A warranted residual life — twelve months, or the directive's extension, whichever is longer — priced and stated. Without it you are selling labour at cost. With it you are selling years of service, which is the unit the customer is actually buying.

Exercise 3.1 — Attack k first (two weeks)

The fastest available movement is usually the one nobody proposes: remove the visit. A drop-off counter in your densest postcode, a carrier partnership, a collection point inside an existing retail estate. On the worked machine, removing the callout is worth +£50.00 an hour of threshold.

France's evidence is the warning here. Its repair fund paid €29.3 million against €130.0 million budgeted across its first three years — 22.5 percent uptake — not because the subsidy was mis-sized but because reaching it required the consumer to find an accredited repairer, carry the object and claim. A correctly priced service nobody can reach is an underspent budget.

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PART FOUR — DESTINY AND DELIGHT

Days 61–90: make it hold

Exercise 4.1 — Put the threshold table in the standing pack (one hour)

Anything reviewed monthly persists; anything reviewed by exception does not. One page, per category: w*, your loaded rate, the gap, and the movement since last month. Nothing else.

Exercise 4.2 — Pay for q, and say so (ongoing)

Tie a portion of service compensation to first-time fix rather than to jobs closed. It is the only metric that improves two terms of the equation at once, because a technician who fixes it first time also found the fault faster.

Exercise 4.3 — Buy the fault data you are giving away (one month)

Every job your people complete produces a record of what failed and why. Capture it in a structured form from day one. Volunteers built a public data set of 208,491 repair attempts across 31 countries with clipboards; you have better instrumentation and worse records.

Exercise 4.4 — Name what is good about the work (ongoing)

Repair is one of the few operations where the satisfying day and the profitable day coincide — diagnosis is intrinsically absorbing, and a fixed object is visible proof. That retains technicians at wages the arithmetic says are tight. Use it to recruit. Do not use it instead of paying. A firm solving its repair margin out of the wage is consuming the only stock it has, and the good diagnosticians leave first, which raises h, which moves the threshold further away.

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THE FAILURE MODES, NAMED

So you can see them coming

Taking the categories the arithmetic refuses. They are pleasant customers and quick jobs and each one loses a little money. This is the commonest way a repair line dies, and it dies slowly enough that nobody notices for two years.

Treating a subsidy as revenue. A line that clears only with a public bonus is a policy-dependent business and policy changes in both directions.

Sizing the pilot to impress. The same discipline as Chapter I.01: the effect must exceed roughly three times period-to-period noise, and the cost must sit inside one persuaded person's discretion.

Letting the environmental case carry the paper. It is true and it will not survive a bad quarter. The threshold table will.

Pricing the hour instead of the life. If the invoice says labour, you are competing with the customer's own Saturday. If it says a warranted residual life, you are competing with the replacement price — which is the comparison the arithmetic was built on.

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THE NINETY DAYS ON ONE PAGE

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BOARD PAPER TEMPLATE

Title. Aftermarket service line — category entry on threshold economics.

Recommendation. Approve a revolving facility of £X secured on spare-parts inventory, to enter the two categories where the computed threshold rate exceeds our loaded charge-out rate, with a covenant that no further category enters without a computed threshold.

The number that decides it. Per category: w* against our loaded rate. A category clears or it does not, and the paper names both sets.

What we already spend. Reverse logistics, write-downs and forgone residual value on returns, which the line converts from write-down to cost of goods.

What changes on 31 July 2026. Statutory parts and tool supply for Annex II goods, and a twelve-month legal guarantee extension for customers who choose repair — which lengthens L_r on our own terms if we warrant it ourselves.

The categories we decline, and why. Named, with the arithmetic.

The wage position. The technician wage our threshold implies, against the statutory floor, stated plainly.

Risks and mitigations. Parts supply (core deposits and the statutory obligation); demand reach (drop-off density); technician retention (pay for first-time fix); policy dependence (no category admitted on subsidy alone).

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APPRECIATIVE QUESTIONS FOR YOUR LEADERSHIP TEAM

1. Which of our products do customers already keep longer than we planned, and what do they tell us about why?
2. Where are we already being paid for service rather than product, and what did we learn from the first customer who asked for it?
3. Who here has the lowest repeat-visit rate, and what do they do differently?
4. If we published a residual-life warranty on one product, which would we choose and why that one?
5. What would our aftermarket look like in eight years if we started recording fault data properly this quarter?
6. Which of the four levers do we control most completely, and have we ever deliberately moved it?
7. What is the densest geographic cluster of our returns, and what would a counter there cost against what the returns cost now?
8. Which categories should we decline, and who in this room has the authority to decline one?
9. If the arithmetic said repair loses in our largest category, what would we want to do about the product design rather than the service?
10. What would we have to pay a master technician for this to be a trade people still enter here in ten years?
11. Which of our competitors is best at this, and what would we have to be true to learn from them openly?
12. If the subsidy landscape changed entirely, which parts of this line would still clear — and how would we know that before it happened?