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Gambling motivation and involvement: A review of social

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gambler who is deep in debt <strong>and</strong> bets on long-shot horses in the hope <strong>of</strong> winning<br />

back what has been lost, a behavior known as “chasing”.<br />

Some addicts strongly prefer immediate over delayed gratification <strong>and</strong> they greatly<br />

discount the negative long-term consequences <strong>of</strong> being addicted. Thus, they are<br />

much more concerned with present utility than they are with future disutility. The<br />

theory <strong>of</strong> rational addiction views the behavior <strong>of</strong> such persons as “myopic addiction”,<br />

which is distinct from rational addiction. The myopic features <strong>of</strong> addiction<br />

are well known to psychologists <strong>and</strong> part <strong>of</strong> most theories on addictive behavior,<br />

including those on gambling [180–184]. Prior to the theory <strong>of</strong> rational addiction,<br />

myopic addiction was also the usual explanation in economics for addictive patterns<br />

<strong>of</strong> consumption. It was assumed that addicts not fully realize the negative future<br />

consequences (disutility) <strong>of</strong> their present consumption <strong>of</strong> addictive substances.<br />

The reasoning <strong>of</strong> the theory <strong>of</strong> rational addiction described thus far is not very<br />

controversial. It becomes so, however, in the following assumptions <strong>and</strong> logical<br />

steps. The theory assumes that there are addicts who, unlike myopic addicts, make<br />

fully rational choices on the basis <strong>of</strong> perfect information. These are the “rational<br />

addicts”. Thus, the utility-maximizing rational choice paradigm is claimed to be<br />

valid also for the consumption mode <strong>of</strong> heavy addicts.<br />

Individuals are in general assumed to be rational, forward-looking <strong>and</strong> fully<br />

informed. They are aware <strong>of</strong> the risk <strong>of</strong> the possible future disutility <strong>of</strong> being<br />

addicted <strong>and</strong> using the addictive good, such as ruining their health, being fired from<br />

work, <strong>and</strong> having a broken marriage. If they become <strong>and</strong> remain addicted, they<br />

rationally judge short-term utility to be high enough to compensate for long-term<br />

disutility. The rational addict knows perfectly well the consequences <strong>of</strong> addiction,<br />

including the future negative effects, which are discounted at a certain rate. The<br />

larger the rate <strong>of</strong> discounting is, the stronger the addiction. The addict continues to<br />

use the addictive good despite its present <strong>and</strong> future negative consequences, because<br />

discontinuing the use is in the rational calculus even worse. Traumatic life events,<br />

such as divorce or losing one’s job, increase the utility <strong>of</strong> the addictive good <strong>and</strong> may<br />

therefore put a person on the path towards addiction.<br />

Both myopic <strong>and</strong> rational addicts are assumed to be sensitive to the price <strong>of</strong> the<br />

addictive good. However, they are sensitive in different ways, making it possible to<br />

conclude, through empirical econometric studies, whether addiction to a certain<br />

good is myopic or rational. In economic terms: the two different forms <strong>of</strong> addiction<br />

result in different short-run <strong>and</strong> long-run price elasticities. The myopic addict is<br />

sensitive to price changes in the present <strong>and</strong> the near future; the degree <strong>of</strong> price sensitivity<br />

depends on the addictiveness <strong>of</strong> different types <strong>of</strong> goods. What happens in the<br />

remote future is irrelevant to his or her shortsighted decisions. The rational addict, to<br />

the contrary, is more sensitive to price changes in the remote future than at present or<br />

in the near future. Assume, for instance, that it is known that the price <strong>of</strong> cigarettes<br />

will be lowered in one year from the present. The rational tobacco addict will react by<br />

increasing his or her addictive capital immediately, i.e. smoking more. The rationality<br />

is that he or she wishes to become more addicted during the year before the price cut<br />

G A M B L I N G M O T I VAT I O N A N D I N V O LV E M E N T 35

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