Radio spectrum represents a scarce resource assigned to operators by national regulatory authorities through auctions, beauty contests or other mechanisms, aimed at introducing sufficient incentives for an optimal use of such a resource. A prerequisite for designing efficient assignment methods...

In most disability insurance programs beneficiaries lose some or all of their benefits if they earn above an earnings threshold. While intended to screen out applicants with high remaining working capacity, earnings limits can also distort the labor supply of beneficiaries. We develop a simple...

A child's family structure is a fundamental determinant of future well-being, making it essential to understand how public policies affect the involvement of fathers. In this paper, we exploit a reform of the German parental leave system which increased mother's income and reduced legal father's...