What is the 'Ratchet Effect'?

The ratchet effect refers to escalations in production or prices that tend to self-perpetuate. Once productive capacities have been added or prices have been raised, it is difficult to reverse these changes because people are influenced by the previous best or highest level of production.

BREAKING DOWN 'Ratchet Effect'

Certain trends in economics tend to self-perpetuate, particularly for production. For example, if a store whose sales have been stagnant for some time adopts some company changes such as new managerial strategies, staff overhaul, or better incentive programs, and the store earns greater revenues than it had previously, the store will find it difficult to justify producing less. Since firms are always seeking growth and greater profit margins, it is hard to scale back production. 

The ratchet effect can also impact large-scale firms' capital investments. For example, in the auto industry, competition drives firms to be constantly creating new features for their vehicles. This requires additional investment in new machinery or a different type of skilled worker, which increases the cost of labor. Once an auto company has made these investments and added these features, it becomes difficult to scale back production. The firm cannot waste their investment in the physical capital required for the upgrades or the human capital in the form of new workers.

Similar principles apply to the ratchet effect from the consumer perspective because raised expectations escalate the consumption process. If a company has been producing 20 oz. sodas for ten years and then decreases their soda size to 16 oz., consumers may feel duped, even with a commensurate price decrease.

The ratchet effect also applies to wages and wage increases. Laborers will rarely (if ever) accept a decrease in wages, but they may also be dissatisfied with wage increases if they considered insufficient. If a manager receives a 10% pay increase one year and a 5% pay increase the next year, he may feel that the new raise is insufficient although he is still getting a pay raise.

This example highlights the dangers of the ratchet effect -- in the manager's case, there may not have been enough new business to allow a further increase, but the manager may still feel slighted. The primary problem with the ratchet effect is that in certain situations, people become accustomed to constant growth even in markets that may be saturated. Thus, the market may no longer satisfy consumer wants and needs, defeating the overarching purpose of economics.

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