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Post–World War II era

The Wisdom of Crowds

The Post–World War II era appears in the book as a time when elaborate corporate hierarchies remained serviceable under relatively limited competition, while also laying the groundwork for a later failure to respond to change. Its significance lies in the contrast between an organizational structure suited to protected markets and the need for flexible, information-rich decision making once that protection gave way.

Corporate Structure and Its Limits

In the 1970s, American corporations could be both large and cumbersome. At Ford, more than fifteen managerial layers separated the chairman from a factory-floor supervisor; at Toyota, the comparable distance was five. The difference matters in the book’s account because layers did more than slow orders: they could obstruct information traveling upward from people who understood the work directly.

A worker at a General Motors plant in Van Nuys had installed a bracket for two years without knowing it held the car’s sunshade. When a supervisor showed two assembly-line workers that a missed bracket meant the carpet later had to be torn out and the bracket welded into place, one worker was surprised to learn what the part did. The episode makes hierarchy concrete: workers could repeat a task without receiving the context that might help them perform or improve it.

The same distance shaped the path of new ideas. A chart reproduced in Thomas J. Peters and Robert H. Waterman’s In Search of Excellence showed 223 possible bureaucratic routes an idea for a new product might have to travel before acceptance. With executives so far removed from workers in the field, it was also difficult for leaders to know whether their picture of the company matched conditions on the ground.

Competition and Corporate Decline

The book argues that the hierarchies that had been serviceable in the Post–World War II era of captive customers and middling competition were poorly suited to the changes required when Japanese companies began offering better products faster and paying closer attention to consumer demand. By the early 1970s, Japanese and West German firms were challenging American companies, which had been free of serious competition long enough to lose touch with what competing required.

Ford’s Pinto, introduced in 1971, stands as an emblem of the period’s product and strategic weakness: an unattractive car with a weak four-cylinder engine that could catch fire when struck from behind. Ford nonetheless sold a million Pintos during the decade, a success the account treats as a last hurrah rather than evidence of resilience. American corporate profits, market share, and productivity growth fell sharply over the course of the 1970s. By decade’s end, Chrysler and Lockheed required government bailouts, while Ford appeared at risk of needing one too.

The episode marks a reversal in the book’s account of corporate confidence. The myth of American corporate excellence gave way to a story of a country managing its way into economic decline. The old hierarchy had worked under conditions that softened competitive pressure; when companies needed rapid organizational and product changes, its layers and insulated leadership became liabilities.

Knowledge, Authority, and Adaptation

The book does not treat central direction as a universal remedy. It emphasizes that knowledge tied to a particular place, job, or experience may be difficult to convey but valuable for solving problems. Decisions about local problems, it argues, should therefore be made as close as possible to the people who encounter them. Specialization and local knowledge can outweigh managerial expertise when a workable solution depends on direct experience.

That argument also sets a condition for successful decentralization: local knowledge must remain available to the wider organization. Dispersed authority can foster independence and specialization, but information discovered in one part of a system may never reach another. The challenge is to let people act on what they know while finding ways to make their knowledge collectively useful, rather than assuming that every judgment must first travel up a hierarchy and every solution back down.

The Post–World War II corporate model therefore matters not simply as a historical arrangement, but as a contrast that clarifies the book’s larger concern. Organizations need to coordinate people and information, yet the same layers designed to manage a large enterprise can silence local expertise and slow adaptation. The era’s legacy is the tension between control from above and the independent, distributed knowledge required to respond to a changing world.