When estimating the extent of e.g. excess use of public benefits one traditionally uses direct monitoring. Such direct estimates are afflicted with an intrinsic negative bias since you only count what you find. This paper presents and assesses an alternative intuitive, yet relatively unexplored,...

Marriage data show a strong degree of positive assortative mating along a variety of attributes. But since marriage is an equilibrium outcome, it is unclear whether positive sorting is the result of preferences rather than opportunities. We assess the relative importance of preferences and...

Marriage data show a strong degree of positive assortative mating along a variety of attributes. But since marriage is an equilibrium outcome, it is unclear whether positive sorting is the result of preferences rather than opportunities. We assess the relative importance of preferences and...

(english) This paper presents a survey of the large empirical literature in economics that has sought to examine the relationship between educational expenditures and outcomes in both developed and developing countries. The main feature of this literature is the remarkable lack of consensus...

This paper presents a survey of the large empirical literature in economics that has sought to examine the relationship between educational expenditures and outcomes in both developed and developing countries. The main feature of this literature is the remarkable lack of consensus about the...