Procrastination is the notorious tendency to postpone work for tomorrow. This paper presents a formal model of procrastination based on expectations and prospect theory, which differs signficantly from the prevalent model of O’Donoghue and Rabin. Subject is assumed to work on a task for...

The paper critically discusses the issue of rationality and choices in economics in both the behavioural and evolutionary approaches. Our study aims, on the one hand, to highlight the scientific contributions of psychology in economics, since psychology, and with it the theoretical approach of...

This paper argues critically the issue of choices and rationality in economic models through a multidisciplinary analysis. First, the analysis aims at highlight the scientific contributions of psychology in economics, since psychology and the related approach of cognitive economics has made more...

This paper presents the functional relationship between two areas of interest in contemporary behavioral economics: one concerning choices under conditions of risk, the other concerning choices in time. The paper first presents the general formula of the relationship between decision utility,...

The paper analyzes how the debate on intrinsic motivation was imported from psychology into economics. The most important differences between the two disciplines are in the definition of intrinsic motivation and in the timing of the undermining effect of rewards. The economic framework of...

By randomising the order in which new economics research papers are presented in email alerts and tracking economists’ subsequent download activity, this paper uses a natural field experiment to better understand the reasons why individuals show a disproportionate tendency to select items...

Zimbabwean villagers of distinct background have resettled in government organized land reforms for more than three decades. Against this backdrop, I assess the level of social cohesion in some of the newly established communities by estimating average preferences for fairness in a structural...

Expected utility theory views the individual investment decision as a tradeoff between immediate consumption and deferred consumption. But individuals do not always prefer according to the classical theory of economics. Recent studies on individual investor behavior have shown that they do not...

We conduct a remittance field experiment among Salvadoran migrants in the metro DC area. Migrants need to decide whether or not to remit funds to a recipient in El Salvador and if so how much. We maintain a (2x2) design in which the remittance budget has a value of $400 or $200, and the remitted...