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Tim Harford
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Tim Harford
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An economics mystery has finally been solved.
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A single economic forecast is usually wrong. But groups of economic forecasts are often just as mistaken. Why?
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The Economics of AddictionIs it possible that heroin junkies and crackheads are actually rational?
By Tim HarfordPosted Saturday, Aug. 4, 2007, at 8:15 AM ET
That is only caffeine, of course. But even heroin users can addict themselves and then quit as circumstances dictate. Psychiatrist Lee Robins found that almost half of American soldiers used heroin or opium while in Vietnam, but rather fewer were actually addicted, and almost 90 percent of those kicked the habit upon returning to the United States. I have absolutely no desire to try heroin myself, but it seems that both the decision to start and the decision to try to quit were, like my coffee habit, rational responses to circumstances.
I can't help noting that a large number of British cabinet ministers decided to smoke marijuana at college and then quit later. Whisper it softly, but perhaps not only addicts are rational, but politicians, too.
Remarks from the Fray:
I saw the real world of addiction when a close friend ended up in a drug treatment program. The counselors there had a great definition for addiction - addiction is when something (drugs, tv, sex, coffee…) has consistent harmful impact on your life or the lives of those around you.
I like this definition because it is in terms of observables that matter. People (especially undiagnosed addicts) are masters of self deception. Losing a job, beating your wife, not paying the bills are much easier for everyone to agree on than the addict's opinion about whether or not they have a physical dependency.
If you consider harming yourself or others irrational, then by definition addiction is irrational.
--cwurld
(To reply, click here.)
Addictive drugs release chemicals called endorphins, which stimulate the pleasure centers of the brain. Your body also naturally releases endorphins, which is what you get when your mom cooks apple pie, or you hug your girlfriend, or get a bonus from your boss for finishing the big project. However, drugs release huge amounts of endorphins in a short time, resulting a "high" which pretty well eclipses any natural source.
If we simply substitute endorphins for money, a cost-benefit analysis would show that a drug high is much greater benefit, proportional to cost, than normal activities, so in these terms, hard drugs are a rational choice. The choice only become irrational when one considers long-term costs:
--Faustling
(To reply, click here.)
If a person can easily quit something, they were never really addicted, right? Isn't an addiction much more than a mere habit? And isn't the habit in question required to have a negative influence and seriously interfere with an individual's life before we can call it true addiction?
It bothered me that the author seems to lump decisions, habits and addictions together... using a study on horsetrack betting to somehow equate with studies on "junkies and crackheads". I missed the point entirely. Withdrawal from caffeine is absolutely no comparison to what a person withdrawing from heavy alcohol use or heroin abuse experiences. Withdrawing without medical intervention can be deadly under some circumstances. Not a headache or feelings of sluggishness. The detox process can be a dangerous ordeal. And, as we all know, rehab treatment doesn't always work for a multitude of reasons...the whole relapse issue and cyclical nature of addiction are important aspects to mention in a discussion of this kind.
I can't seem to place this particular human behavior in an economic model. It just won't fit. I don't find a hidden logic or gain any understanding. Only more questions. Why would somebody choose addiction? What is the benefit? Is addictive behavior a means to an end? I can only see it as slow suicide. And that certainly isn't playing the game rationally in my rule book.
--mojo5501
(To reply, click here.)
I have another rational theory of addiction. Addiction is a rational response to early, but false, indications of efficacy. An addict is someone who finds a source for something that seems to be low cost, low risk. Unfortunately, the satisfaction is illusory and the need for that same something increases. So does consumption. Soon the source of authentic satisfaction is out of reach and the addiction appears to be the only route to fill the need. Thus, crisis.
--BenK
(To reply, click here.)
Why would only addicts reduce use in the face of a liquor tax? Could it be that they could afford less? Since overall consumption did not decrease at the same rate as liver cirrhosis, it would appear rationalism does not dictate use.
--spruce
(To reply, click here.)
When I was addicted to cigarettes, from age 16 to 32 the ever-rising cost of cigarettes didn't phase me. I kept buying, even conniving ways to buy cartons from sales-tax-free New Hampshire, and I kept smoking my brains out....until - so until - it hurt my neck to bend it, it was hard to breathe on a humid summer day, my gums were running away from my teeth and this pain behind my upper left shoulder blade just wouldn't go away.
Would you call it rational to have decided to quit? Or would you call it scared as hell? I'm so glad I did find a way to knock it off, but I wouldn't say my decision was because I somehow deduced that smoking in my life wasn't needed anymore. I think it was because I was terrified.
If making a decision due to "terrification" is rational, then I was one mighty rational soul.
--Dana
(To reply, click here.)
(8/7)
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