"certain payoff" is a correct and usable phrase in written English.
It refers to a guaranteed or definite outcome or result. Example: Investing in education may require a significant upfront cost, but the certain payoff in terms of increased job opportunities and higher earning potential makes it a worthwhile investment in the long run.
Given a certain payoff for selling and an uncertain future going it alone, it is not surprising that many people take the money.
The certain payoff option represents the decision to vaccinate.
The term 'farming' refers to the fact that they spend hours performing the same tedious in-game action over and over again to yield a certain payoff.
In some sessions, a theoretically non-binding limit on the certain payoff option is imposed, representing a limited stock of a vaccine.
Subjects make decisions from a menu of one-shot games, deciding in each between a certain payoff option and an option with payoffs decreasing in the number of individuals that choose it.
I think sometimes that the only certain payoff is the car ride home after a good game.
Female viewers, especially, have been trained to expect certain payoffs from romantic comedies, vicarious in nature: the meet-cute, the soul mate, and, in nearly every case, a "Me, too!" identification.
Of course, if certain payoffs were systematically very large and distant from other payoffs (e.g. if there were a very large temptation to defect, T, relative to R), then this may produce an enhanced selection pressure for strategies that perform as though they are within a Prisoner's Dilemma, even if the game is not valid 100% of the time.
City dollars, by contrast, will go into longer-term programs of less certain direct payoff.
When a coalition of VOs cooperates, a certain overall payoff is obtained from the cooperation.
The researchers rigged the game so that in some testing sessions choosing the certain reward was the best overall strategy, while in other sessions the "risky" lever yielded the greatest overall payoff.
