monetary incentives for accurate recall, but partially by high incentives. Thus, it seems that motivation and identity …

In this paper we develop a theoretical model concerning self-control, motivation and commitment. The model, based on …, inferior and has to exercise self-control to resist temptation. A random, time-variant degree of motivation is introduced to … influence his cost of self-control. We introduce an investment-payoff combination as a commitment device that can help the agent …