We analyze the effects of a school-based incentive program on children's exercise habits. The program offers children … an opportunity to win prizes if they walk or bike to school during prize periods. We use daily child-level data and …

. We find that contract teachers do relatively better for low ability children in low grades than for high ability children … the ‘more advanced' children. This implies that contract teachers tend to reduce inequalities in student outcomes. At the …Primary school enrolment rates are very low in francophone Africa. In order to enhance education supply, manycountries …

affect the behavior of their followers. Hence, opinion leaders have some power over their followers, and they can exercise … this power by influencing their followers choice of action. We study a two-action model for a society with opinion leaders … choice is made by simple majority of the actions chosen by each member. For this model, we axiomatize satisfaction and power …

interactions among social groups in a setting where one group has captured power. While using a model featuring random matching and … repeated games, it is shown that whenever one group seizes power, members of other groups will perceive additional value in …. However, not all societies that have experienced power captures converge towards segregation. It is shown that the proportion …

classification of the triangular situations between employer, employees and clients based on the power concept and 2) to analyse the …

' illuminating views on asymmetry, domination and power which can be considered as a prefiguration and - to some extent - as a … generalization of works made in this field half a century later, for example the American realist and neo-realist approaches of power … (namely the concepts of hard and soft power) or by Susan Strange (with her concept of structural power). …

leaders have some power over other actors, their followers, and they exercise this power by influencing the behavior of their … by a bipartite digraph. We analyze such digraphs investigating satisfaction and power distributions within societies with … and without the opinion leaders. Moreover, we study common properties of the satisfaction and power measures and …