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Tag Archives: fallacy of composition

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Thinking about our fiscal woes, I keep returning to the fallacy of composition.

Here it is:

When one farmer harvests a huge crop and sells it, her profits soar. But if every farmer grows more and sells more, then the price drops. Similarly, if one person races out of a theater, she easily exits. When many do, it is tough to get out.

The point? Sometimes what is good for a single person becomes a problem when everyone does the same thing. Economists call it the fallacy of composition. Harrisburg, Pennsylvania’s fiscal plight reminds me of the fallacy of composition.

The Harrisburg story begins when they decide to retrofit their trash incinerator with borrowed money. If every garbage truck pays a fee, the incinerator business can be exceedingly profitable. At first though, the mechanics do not work and then the EPA says the facility does not meet federal standards. Each time, the community borrowed and upgraded. The result? The incinerator cost $326 million. A city with 50,000 people owes $326 million. And then the recession hits. The result? A debt crisis.

With local officials resisting, the governor of Pennsylvania mandates austerity. His representative says sell municipal parking garages, cut fire and police wages and pensions, sell the incinerator. But, the Harrisburg city council, a 4-3 vote, says no.

Responding to individual incentives, law makers reject the austerity policies that are best for their community. Individual law makers are each doing what is best for them. Anyone who supports tax hikes, wage freezes and pension cuts might not get re-elected. And then ultimately, as with a farmer’s bumper harvest or a fire in a theater, when enough law makers act similarly, everyone suffers. Sounds like the fallacy of composition.

My Bottom Line? For controlling Medicare and Social Security spending, do we have a fallacy of composition problem?

This article tells the whole Harrisburg incinerator story while NPR’s Planet Money tells the sad tale of the receiver who was sent to Harrisburg to solve their fiscal problems. As for Greek legislators, as this article tells us, the bribes that flowed to legislators will evaporate if they support austerity.

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The health care industry has added 300,000 jobs to the U.S. economy during the past 12 months. New jobs, new construction, new technology, more care. Should we be pleased?

This Dr. Seuss-like animated short from marketplace.org presents the downside of health care job growth. Discussing the issue further in a report on suburban Detroit, they explain that a new medical center can indeed help one community. However, a proliferation of medical facilities means higher health insurance premiums and soaring Medicare and Medicaid expenses. Consequently, although one community might benefit, overexpansion means the entire nation will suffer.

Here are additional statistics on the health care jobs boom. And here is another perspective in a previous econlife post.

The Economic Lesson

Sometimes what is good for one person becomes bad when everyone does it. If there is a fire at a public event, one person can rush to the exit but everyone simultaneously cannot. Enjoying higher prices, one farmer can decide to plant more and earn more. However, when all farmers together produce a bumper crop, price dips. Called the fallacy of composition, sometimes what is good for the individual is bad when everyone does the same thing.

An Economic Question: How does building too many medical centers result in the fallacy of composition?

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You’ve probably heard the story. Fed up, a flight attendant tells passengers what he really thinks of them, grabs a beer, presses the button for the emergency chute, and leaves the plane. The overhead storage bin might have been the reason.

Overhead bins create frustration for everyone. They increase boarding delays. A cascading overflow can be dangerous when doors pop open. Attendants have to restrain impatient fliers from grabbing a bag before the plane has stopped. A cost saving fast turnaround for aircraft is delayed by passengers having to retrieve their paraphernalia. Deplaning is agonizingly slow.

An economist would disagree with a NY Times solution: “Carry-Ons and Courtesy Need to Co-Exist“. Instead, incentives have to change. Because checked baggage generates huge revenue, airlines have the incentive to charge. Responding, passengers have the incentive to take more onboard. One solution? Spirit is charging for carry-ons. Your opinion?

The Economic Lesson

Two economic concepts explain the problem:

1) The fallacy of composition states that what is good for one is bad when everyone does it. An example is fleeing from a fire in a crowded movie theater. One person, alone, can quickly leave but everyone together cannot. Similarly, one person can enjoy the plane’s overhead bin but everyone together cannot. When airlines decided to charge for checked luggage, they worsened the fallacy of composition.

2) A negative externality is a cost to a third party because of the unrelated agreement between 2 other individuals. Here, the airline agrees with you or me that it is okay to bring baggage onboard. The result, though, is a cost to other passengers and the flight staff. On an aircraft, the negative externalities multiply geometrically because everyone is creating them.

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