n o ren
Economics & Markets

Standing Still Gets More Expensive

A string quartet takes the same four players and the same half hour to perform today as it did two centuries ago.

William Baumol and William Bowen set out in the 1960s to explain why performing-arts organizations faced a permanent financial squeeze, and found something that governs almost every service business. Productivity in manufacturing climbs relentlessly: better machines, better processes, more output per hour of labor. Productivity in live performance does not climb at all, because the output is the hour. Yet both compete for workers in the same labor market, so pay in the concert hall has to track pay in the factory or the musicians leave for work that pays what the economy now pays. The result is arithmetic, not mismanagement.

Economists named it cost disease, which is misleading, because nothing is sick. The orchestra is not badly run. It is doing work whose value comes from human attention that cannot be compressed, and the price of that attention gets set somewhere else entirely, by the productivity of industries you do not operate in. The same description fits a therapy session, a code review, a hiring loop, an onboarding call, a legal opinion.

This is why service margins narrow in strong economies, exactly when demand looks best, and why the promise to fix a line with efficiency quietly fails on the same tasks year after year. The work that resists automation is the work the disease attacks hardest, so it consumes a growing share of your cost base while appearing on every dashboard as the part of the business that never improves. The useful question is not how to make the quartet play faster. It is which parts of your delivery are genuinely quartet-like, and whether you have priced them as though they will get cheaper.

Wages inside your business are set by productivity gains in industries you have nothing to do with.
Work that resists automation does not merely stay expensive; it claims a growing share of your cost base.

Ignoring cost disease makes you blame a team for a cost curve that labor economics, not their performance, is driving.

It also leads you to underprice multi-year service contracts, because you model a flat cost base where the structure guarantees a rising one.

1
Pull your delivery timesheets for the last two quarters and count the hours spent on tasks whose hours-per-unit did not fall between them.
2
Take your longest fixed-price contract and recalculate its margin applying this year's actual raise percentage to the delivery team for every remaining year of the term.

Baumol and Bowen published the finding in 1966, and Baumol spent much of the rest of his career tracing it out of the concert hall and into health care and education, including a 2012 book devoted to why computers keep getting cheaper while care does not. The pattern explains why sectors dominated by person-hours show rising real costs decade after decade even when the work itself is unchanged. Cost disease is not inflation and it is not waste; it is a relative-price effect, the cost of stagnant-productivity work rising against everything that got cheaper. Reading it as a relative price is what stops leaders from hunting an efficiency gain that does not exist.

The arithmetic carries a consolation most summaries leave out: cost disease is a symptom of an economy getting richer, because the wages rising under you rise on the back of real productivity somewhere else. It also means the affected work grows relatively more valuable over time, which is an argument for pricing it as a premium rather than defending it as a cost line. Where it genuinely bites is in businesses selling quartet-like work at goods-like prices while hoping volume closes the gap. That gap does not close; it widens with every strong year in the wider economy.