treatment effects. Results substantiate the presence of these obstacles, especially considerable spillovers from treated to … control groups. Despite spillovers, we find that parental and operator behavior are significantly different between treatment …

treatment effects. Results substantiate the presence of these obstacles, especially considerable spillovers from treated to … control groups. Despite spillovers, we find that parental and operator behavior are significantly different between treatment …

I develop a model of public sector contracting based on the multitask framework by Holmström and Milgrom (1991). In … this model, an agent can put effort into increasing the quality of a service or reducing costs. Being residual claimants … model to allow for differences in task attractiveness, I find that public firms shun unattractive tasks, whereas private …

limited by a national voucher system. The comparison of preschools and primary schools in a difference-in-differences model … candidate model of representative democracy. …