deterrence vs. compellence
... it’s the logic of Chicken. But the eventual result may be something no sane person wants: a car crash. In May’s recent speech, she set out her willingness to risk such a crash by saying she might walk away without a deal. That does make some sense: it’s how you act if you want to win a game of Chicken. But there are games of Chicken that nobody wins.
That leads to a second insight from Schelling: the difference between deterrence and what he called “compellence”. Deterrence dissuades action, but compellence means persuading or threatening someone so that they do act. In his 1984 book Choice and Consequence Schelling pointed out that deterrence is easier. A deterred person does nothing, so need not admit that the deterrence worked, but a compelled person must visibly acquiesce.
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