Theories of temporally extended practical rationality suggest that to obtain benefits of this kind, it may be rational for a promisor to treat his or her promise as binding.
Nevertheless, the purchasers may be rational.
It may be rational to be bad, aggressive and impulsive".
However while it may be rational, it is not reasonable.
Businesses that "fail" may be rational gambles that take advantage of a short-lived opportunity.
Behaviour that may be rational for individual actors can cause chaos if everyone copies it.
Individually, it may be rational not to vote: one ballot is unlikely to affect the outcome.
Reductions in pay packages and benefits may be rational to some degree, but they risk alienating highly qualified job seekers.
Of course, it may be rational to worry that a grand fiscal bargain isn't much of a bargain at all.
Capitulating to the ill-judged demands of the NGOs may be rational, profit-seeking behaviour on their part.
For some sites, laxity may be rational, since their passwords are not protecting anything particularly valuable, such as credit-card details.
