Sökning: "instrumental variable"

Visar resultat 1 - 5 av 64 avhandlingar innehållade orden instrumental variable.

  1. 1. On specification and inference in the econometrics of public procurement

    Författare :David Sundström; Kurt Brännäs; Sofia Lundberg; Michael Visser; Umeå universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; auctions; dependent variable transformation model; green public procurement; indirect inference; instrumental variable; latent variable; log-generalized gamma distribution; maximum likelihood; measurement error; non-linear least squares; objective effectiveness; orthogonal polynomial regression; prediction; simulation estimation; structural estimation; nationalekonomi; Economics; Econometrics; ekonometri;

    Sammanfattning : In Paper [I] we use data on Swedish public procurement auctions for internal regularcleaning service contracts to provide novel empirical evidence regarding green publicprocurement (GPP) and its effect on the potential suppliers’ decision to submit a bid andtheir probability of being qualified for supplier selection. We find only a weak effect onsupplier behavior which suggests that GPP does not live up to its political expectations. LÄS MER

  3. 2. On subspace-based instrumental variable methods with application to time-varying systems

    Författare :Tony Gustafsson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; recursive algorithms; change-detection; subspace tracking; system identification; direction of arrival estimation; instrumental variables; subspace methods; correlated noise fields; rank reduction; state-space models;

    Sammanfattning : .... LÄS MER

  4. 3. Essays on Pensions, Retirement and Tax Evasion

    Författare :Johannes Hagen; Sören Blomquist; Håkan Selin; Monika Bütler; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Pensions; retirement; annuity; annuity puzzle; adverse selection; pension reform; instrumental variable; health; health care; mortality; tax evasion; engel curves; consumption; self-employment; permanent income; Economics; Nationalekonomi;

    Sammanfattning : Essay I: This essay provides an overview of the history of the Swedish pension system. Starting with the implementation of the public pension system in 1913, it outlines the key components of each major pension reform up until today along with a discussion of the main trade-offs and concerns that policy makers have faced. LÄS MER

  5. 4. Essays on the Evaluation of Public Policies

    Författare :Michihito Ando; Matz Dahlberg; Che-Yuan Liang; David Neumark; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Local income growth; Local employment; Nuclear power facilities; Synthetic control method; Quantitative case study; Regression kink design; Endogenous treatment; Intergovernmental grants; Flypaper effect; Treatment effect heterogeneity; Instrumental variable; Oral health; Dentures; Price elasticity; Regression discontinuity design; Cost sharing; Randomization test; Economics; Nationalekonomi;

    Sammanfattning : This thesis consists of four self-contained papers.Essay 1: This paper uses the synthetic control (SC) method to examine how the establishment of Nuclear Power Facilities (NPFs) in Japan in the 1970s and 1980s has affected local per capita income levels in the municipalities in which they were located (NPF municipalities). LÄS MER

  7. 5. Teachers and Student Outcomes: Evidence using Swedish Data

    Författare :Christian Andersson; Per Johansson; Arnaud Chevalier; Uppsala universitet; []
    Nyckelord :Economics; Teacher density; Government grant; Teacher supply; Teacher certification; Teacher quality; Instrumental variable; Pedagogic personnel; Homework; Student achievement; Nationalekonomi;

    Sammanfattning : Essay 1 analyzes how student achievement is affected by resource increases in the Swedish compulsory school, due to a special government grant. The analysis is based on register data between 1998 and 2005. The study shows that the increased resources have not had a statistically significant positive effect on the average student’s achievement. LÄS MER