assimilated, better system design might well come out of our legislatures and
courts.
Of course, money is now the main reward that drives habits. A monkey can be
trained to seek and work for an intrinsically worthless token, as if it were a
banana, if the token is routinely exchangeable for a banana. So it is also with
humans working for money—only more so, because human money is exchangeable for
many desired things in addition to food, and one ordinarily gains status from
either holding or spending it. Moreover, a rich person will often, through
habit, work or connive energetically for more money long after he has almost no
real need for more. Averaged out, money is a mainspring of modern civilization,
having little precedent in the behavior of nonhuman animals. Money rewards are
also intertwined with other forms of reward. For instance, some people use money
to buy status and others use status to get money, while still others sort of do
both things at the same time.
Although money is the main driver among rewards, it is not the only reward that
works. People also change their behavior and cognition for sex, friendship,
companionship, advancement in status, and other nonmonetary items.
“Granny’s Rule” provides another example of reward superpower, so extreme in its
effects that it must be mentioned here. You can successfully manipulate your own
behavior with this rule, even if you are using as rewards items that you already
possess! Indeed, consultant Ph. D. psychologists often urge business
organizations to improve their reward systems by teaching executives to use