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Answer: social sanction

Social sanction is composed of a reward or a punishment that motivates people to behave in specific manners. Sanctions are responsible for the control of any existing social systems. These are reactions from others based on their actions. 

I believe the answer is: Incentive

Incentive could be given in the form of financial incentive or behavioural incentive (special treatment). For example, let's say that a company provide an additional $20 per hour for those who are willing to spend their time working after 5 pm. In this situation, the additional $20 per hours is considered to be an incentive.