The thesis consists of three self-contained chapters. The chapters can be read independent of each other and each chapter is followed by a bibliography and an appendix. They each cast light on a different aspect of how we, as a society, manage the responsibility of helping children who do not...

This PhD dissertation consists of four self-contained chapters. The first two chapters study how the design of public pension systems affect individuals' behavior. The first chapter studies how pension eligibility ages impact the retirement behavior of couples. The second chapter explores how...

How do policy makers help jobseekers transition out of unemployment? As unemployment is costly for the individual and inefficient for society, this is a question of utmost importance. Today, many OECD countries rely on active labor market policies (ALMPs) in their efforts to easen jobseekers'...

Our decisions often depend on our subjective perceptions of the surrounding reality and we base our perceptions on the information we have available to us. Consider for instance our assessments of a variety of societal challenges we face, from immigration to inequality. Our perceptions of the...

In this thesis, we study a class of multivariate generalized autoregressive heteroskedasticity (GARCH) models, denoted the Dynamic Conditional Eigenvalue GARCH (or λ-GARCH) model. Multivariate GARCH models are useful for estimating and filtering time varying(co-)variances, which are used e.g....