This paper examines the recruitment process of firms. We test whether firms search sequentially or non …-sequentially using data compiled from filled vacancies. According to theory, in case of sequential hiring, the number of applicants is …. We distinguish between different types of recruitment methods. We find that the sequential hiring is rejected for a …

This paper studies the relation between optimal dam capacity and water management under rivalry uses and externalities …-linear building cost of dam capacity and externalities in a welfare optimization model. We obtain the optimal dam capacity for multi …

Neumann-Morgenstern expected utility functions using cooperative game theory. The social network literature studies various … numbers of neighbours) of the positions in a network. Although this allows for externalities, in the sense that the … preferences of a position might depend on the way how other positions are connected, these externalities can be taken into account …