Sökning: "Unobserved heterogeneity"

Visar resultat 11 - 15 av 34 avhandlingar innehållade orden Unobserved heterogeneity.

  1. 11. Essays on Event History Analysis and the Effects of Social Programs on Individuals and Firms

    Författare :Stefano Lombardi; Johan Vikström; Oskar Nordström Skans; Conny Wunsch; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Labor Economics; Unemployment Insurance; Job Search; Monitoring and Sanctions; Policy Evaluation; Dynamic Treatment Evaluation; Duration Analysis; Firm performance; Employer-employee Match; Monte Carlo simulation; Economics; Nationalekonomi;

    Sammanfattning : Essay I: This paper studies threat effects of unemployment insurance (UI) benefit sanctions on job exit rates. Using a difference-in-differences design, I exploit two reforms of the Swedish UI system that made monitoring and sanctions considerably stricter at different points in time for different jobseeker groups. LÄS MER

  3. 12. Population dynamics and demography - inferences from stochastic models

    Författare :Jonas Knape; Biologiska institutionen; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : Time series analysis of population abundances is a common approach to making inferences about population dynamics, and especially for estimating density dependence. Traditionally the impact of potential errors in observations or measurements of the abundances on inference has been ignored. LÄS MER

  4. 13. Issues of Complex Hierarchical Data and Multilevel Analysis : Applications in Empirical Economics

    Författare :Joel Karlsson; Ghazi Shukur; Håkan Locking; Scott Hacker; Linnéuniversitetet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Multilevel modelling; Hierarchical modelling; Single farm payments; Part-time unemployment; Educational attainment; Performance evaluation; Economics; Nationalekonomi;

    Sammanfattning : This thesis consists of four individual essays and an introduction chapter. The essays are in the field of multilevel analysis of economic data. The first essay estimates capitalisation effects of farm attributes, with a particular focus on single farm payments (SFP), into the price of farms. LÄS MER

  5. 14. Education and the Family : Essays in Empirical Labour Economics

    Författare :Helena Holmlund; Anders Björklund; Sandra Black; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; economics of education; family economics; Economics; Nationalekonomi;

    Sammanfattning : Estimating Long-Term Consequences of Teenage Childbearing: An Examination of the Siblings Approach In the study of the consequences of teenage motherhood, the siblings approach has been proposed as a strategy to control for unobserved family background. Revisiting this literature, my contribution in adopting the siblings approach lies in controlling for heterogeneity within the family by using pre-motherhood school performance, a characteristic that differs across sisters. LÄS MER

  7. 15. Essays on military labour supply in the era of voluntary recruitment

    Författare :Peter Bäckström; Gauthier Lanot; Niklas Hanes; Stephanie Vincent Lyk-Jensen; Umeå universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; conscription; enlistment test; fixed effects model; military labour market; military labour supply; military recruitment; recruitment; Roy model; self-selection; Economics; nationalekonomi;

    Sammanfattning : This thesis consists of an introductory part and two self-contained chapters related to the supply of volunteers to the Swedish Armed Forces.Chapter [I] represents the first effort to explore the relationship between civilian labour market conditions and the supply of labour to the military in the all-volunteer environment that Sweden entered after the abolishment of the peacetime draft in 2010. LÄS MER