Paper [I] studies equality of opportunity in Sweden. The distinction between circumstances that constrain an individual’s opportunities and the individual choices also affecting a particular outcome is the main idea of theories of equality of opportunity. In this study, equality of opportunity...

This study focuses on the persistence of poverty in Sweden. The purpose is to distinguish between two different reasons why poverty could persist on an individual level. By using a sample of identical twins, this study takes advantage of the similarity within pairs of twins to separate family...

Individuals that are married are often found to be healthier than singles. A crucial issue is to distinguish if this is due to a <p> selection effect or due to a true protective effect of partnership. The purpose of this study is to distinguish these effects as explanations for a lower risk of...</p>

A correlation curve measures the strength of the association between two variables locally at different values of x. The purpose of this study is to obtain point-wise confidence intervals for a correlation curve using wild bootstrap techniques. Empirical coverage probabilities are found to be...

A simulation assisted learning method is introduced to deal with students’ misconceptions concerning the properties of estimators; bias, efficiency and consistency. The design of the exercise is based on cognitive conflict theory, i.e. the simulations provide contradictory information to...

Correlations curves are used to measure the degree of association of father’s and son’s earnings locally, i.e. at different positions in the earnings distributions. The local correlation is nonlinear, and can be very different from local elasticities from nonparametric, or quantile...

A correlation curve is proposed as an alternative measure to study the degree of intergenerational income mobility, i.e. how income status is related between parents and adult child. The method overcomes the shortcomings of the elasticity of children’s income with respect to fathers’ income...

The distinction between circumstances that constrain an individual’s opportunities and the individual choices also affecting a particular outcome is the main idea of theories of equality of opportunity. In this study, equality of opportunity is analyzed for Swedish data using a large set of...

In this study, the consequences of unemployment for a Swedish sample of couples are analyzed. The purpose is to estimate the possible income replacement that a spouse can provide. Unemployment can also affect the probability that the couples split up. Since not all couples remain in the...

The purpose of this study is to empirically investigate causal effects between socioeconomic status and absence from the workplace due to sickness. To be able to conclude that income causally affects health it is important to control for both reverse causality and unobserved heterogeneity. This...