We can't
keep our own fitness promises for the same reason that addicts are addicts and
Congress can't pass deficit reduction.
Every
January, millions of Americans, brimming with optimism and a little extra belly
from the holidays, commemorate the new year by making an unfamiliar urban trek.
They go to the gym.
One in
eight new members join their fitness club in January, and many gyms see a
traffic surge of 30 to 50 percent in the first few weeks of the year. Stop by
your local gym today, and the ellipticals will be flush with flush new faces.
But next thing you know, it will be April, our gym cards will be mocking us
from our wallets, and our tummies will have sprouted, on cue with the tree
buds.
Economists
make and break gym promises just like the rest of us. And, as they're
considerably more likely to run statistical regressions on their personal
lives, there's a healthy academic literature about going to the gym. Here's
what economics can teach us about fitness and the fitness industry.
WHY CAN'T PEOPLE KEEP THEIR GYM PROMISES?
FOR THE
SAME REASON CONGRESS CAN'T PASS DEFICIT REDUCTION.
People are
way too optimistic about their willpower to work out, Stefano Dellavigna and
Ulrike Malmendier concluded in their famous paper "Paying Not to Go to the
Gym." In the study, members were offered a $10-per-visit package or a
monthly contract worth $70. More chose the monthly contract and only went to
the gym four times a month. As a result, they paid 70 percent more per visit
than they would have under the plan they rejected. Why? Because people are too
optimistic that they can become gym rats, which would make the monthly package
"worth it." Silly them.
You might
call this behavior "laziness." Economists prefer "hyperbolic
discounting." This is the theory that we pay more attention to our
short-term well-being and "discount" rewards that might come further
down the road. Think of a small reward in the distant future, like taking a nap
three weeks from now. Doesn't hold much appeal, does it? But when the small
reward is imminent -- Take a nap right now? Woo hoo! -- it's considerably more
attractive. Given the choice between small/soon rewards versus larger/later
benefits, we'll take the former. Hyperbolic discounting helps to explain why
Congress can't pass deficit reduction, why drug addicts stay addicts, why
debtors don't pay off their bills, and why you keep telling yourself that the
right day for exercise is always "tomorrow."
The other
problem with sustaining the motivation to work out is that ... well, motivation
is exhausting! According to the theory of decision fatigue, the simple act of
making any decision depletes us of a limited store of willpower. Exercise isn't
just an investment of time, it's also a choice -- and a difficult, even
exhausting choice for people whose daily habits don't involve running and
lifting.
SO, HOW DO
I TRICK MYSELF INTO WORKING OUT MORE?
PAY
YOURSELF.
Think about
what you're paying for at the gym. The machines, the free weights, the
televisions, the shower. But aren't you also investing in motivation? A
membership is different from a one-time purchase. It's also a promise that you
expect your future self to uphold. But too often, a membership isn't enough to
keep us at the gym. Maybe the nudge we need is just ... money.
A 2009
study out of the University of California-Santa Barbara reached the
unsurprising conclusion that people are more likely to work out when rewarded
with cash. Go to the gym once, and the results can be hard to see. Collect a
check at the gym, and the results are in your pocket. But let's assume you
can't find somebody to pay you to work out (a likely assumption). The solution
is to find somebody to tax you for not working out.
Recently, a
couple of Harvard graduates launched a program called Gym Pact based on the
simple principle that if skipping the gym is a broken contract with ourselves,
we ought to pay a penalty for slacking. So Gym Pact charges your credit card a
penalty of at least $5 if you fall short of your work-out goal each week.
"If
there's a cavity, you know it needs to get filled in, but if it doesn't hurt
right now, you may not bother,'' one of the founders told the Boston Globe.
"In traditional gym memberships, not going is not very costly. In this
one, you actually might feel the pain of not going immediately.''
That's a
fine idea to get people to spend more time at the gym. Too bad your gym has
different plans.
Source:http://www.theatlantic.com
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