amongthose. Our analysis considers GPs heterogeneity in terms of both ability and sense ofprofessional duty. We conclude that …. Instead, whenfailures to identify severe conditions are the main concern, then payment self selection byGPs can be optimal. …

achievement, the parents modify their choices of education or of training for the juniors given returns and endowments. …

segmented by education, and there is free entry of new firms in each sector. Self-selection in education originates composition … model of unemployment with ex-post rent-sharing. Individuals differ in ability and schooling cost, the search market is … much, while there is too little self-selection among the low schooling cost individuals — the rich. We also show that …

This paper fills the gap between individual selection models and collective approaches of migration. We build a … theoretical model in order to account for household-based migration decisions and derive its implications on migrant selection … the one among its members who is to migrate, migrant selection in this case may differ from what is predicted by a pure …

randomizing. Thus, randomization among noncomparable options is costly relative to deliberate selection. On the other hand …, randomization among indifferent options is costless relative to deliberate selection. …

, to theoretically quantify the selection e ects driven by the implementation of performance appraisals. …