Sökning: "fixed effects"

Visar resultat 11 - 15 av 360 avhandlingar innehållade orden fixed effects.

  1. 11. The impacts of network effects and multi-service provision on consumer switching costs in the Swedish telecommunications market

    Författare :Pratompong Srinuan; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; broadband Internet; switching costs; tariff-mediated network effects; local network effects; calling clubs; Sweden; multiple-service; termination-based price discrimination;

    Sammanfattning : The Swedish telecommunications market has been liberalised since 1990s. Liberalisation gave an opportunity to several new entrants to enter to the market. Consumers also gained benefits from more telecom providers and services to choose from, and lower telecom prices. LÄS MER

  2. 12. Essays on Microeconometrics and Immigrant Assimilation

    Författare :Alpaslan Akay; Göteborgs universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Average marginal effect; Marginal effect of the average individual; Employment and earnings assimilation; Quasi-fixed effects approach; Initial value problem; Dynamic censored random-effects model; Monte Carlo experiment; Heckman’s approximation; Simple method of Wooldridge; Dynamic random-effects sample-selection model; wage-curve method;

    Sammanfattning : Paper I. Asymptotic bias reduction for a conditional marginal effects estimator in sam- ple selection models. In this article we discuss the di¤erences between the average marginal effect and the mar- ginal effect of the average individual in sample selection models, estimated by the Heck- man procedure. LÄS MER

  3. 13. Cobalt-Chromium alloys in fixed prosthodontics

    Författare :Maria Kassapidou; Göteborgs universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; prosthodontics; cobalt-chromium; manufacturing techniques;

    Sammanfattning : Gold and its alloys have been the dominant framework materials in metal-ceramic constructions when substantial loss of tooth substance or missing teeth needs to be replaced. However, base metal alloys, such as cobalt-chromium (Co-Cr), have been introduced due to increased gold price. LÄS MER

  4. 14. 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

  5. 15. Reaching For Equality : Essays in Education and Gender Economics

    Författare :Sanna Ericsson; Centrum för ekonomisk demografi; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Preschool; Education; Sub-Saharan Africa; Cultural Gender Norms; Math Gender Gap; Epidemiological Approach; Refugee Placement Policy; Sibling Fixed Effects; Domestic Violence; Household Bargaining; Male Backlash; Local Labour Demand; Preschool; Education; Sub-Saharan Africa; Cultural Gender Norms; Math Gender Gap; Epidemiological Approach; Refugee Placement Policy; Sibling Fixed Effects; Domestic Violence; Household Bargaining; Male Backlash; Local Labour Demand;

    Sammanfattning : This thesis consists of three self-contained papers that all relate to the understanding of equality. The first chapter investigates the effects of preschool attendance on children in Kenya and Tanzania. LÄS MER