Sökning: "Unobserved Heterogeneity"

Visar resultat 6 - 10 av 34 avhandlingar innehållade orden Unobserved Heterogeneity.

  1. 6. The Analysis of Duration and Panel Data in Economics

    Författare :Wolfgang Hess; Nationalekonomiska institutionen; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Monetary Exchange Rate Model; Homogeneity Testing; Panel Cointegration; Pooling; Duration of Trade; Unemployment Duration; Proportional Hazards; Unobserved Heterogeneity; Hazard Rate; Discrete-Time Duration Model; Threshold Excess Model;

    Sammanfattning : This thesis is divided into two distinct parts. The first part contains three chapters dealing with the analysis of duration data from an econometric perspective and with application to trade durations. LÄS MER

  3. 7. Water and Health in Egypt: An Empirical Analysis

    Författare :Hala Abou-Ali; Göteborgs universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Child mortality; Choice experiment; Contingent Valuation Method; Discrete choice; Elasticity; Egypt; Health; Household environment; Marginal effects; Transition models; Unobserved heterogeneity; Water and sanitation; Wealth; Willingness to pay.;

    Sammanfattning : This thesis is an empirical work dealing with water issues in Egypt where the emphasis is put on the analysis of the relationship: inadequate water quality and health impacts. The first chapter includes a general discussion of water resources in Egypt and other developing countries. LÄS MER

  4. 8. Empirical Studies in Corporate Finance, Taxation and Investment

    Författare :Joakim Jansson; Otto Toivanen; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Economics; Nationalekonomi; Economics; Nationalekonomi; nationalekonomi; Economics;

    Sammanfattning : This thesis consists of four self-contained essays. Essay 1 extends previous research focusing on firms' discrete external financing decision by adapting an estimation procedure accommodating both fixed effects and a lagged dependent variable. This makes it possible to establish the nature of the dependence. LÄS MER

  5. 9. Likelihood-Based Tests for Common and Idiosyncratic Unit Roots in the Exact Factor Model

    Författare :Martin Solberger; Rolf Larsson; Johan Lyhagen; Jean-Pieree Urbain; Uppsala universitet; []
    Nyckelord :panel unit root; dynamic factors; maximum likelihood; Lagrange multiplier; likelihood ratio; factor analysis; Statistics; Statistik;

    Sammanfattning : Dynamic panel data models are widely used by econometricians to study over time the economics of, for example, people, firms, regions, or countries, by pooling information over the cross-section. Though much of the panel research concerns inference in stationary models, macroeconomic data such as GDP, prices, and interest rates are typically trending over time and require in one way or another a nonstationary analysis. LÄS MER

  7. 10. Essays on Firm Turnover, Growth, and Investment Behavior in Ethiopian Manufacturing

    Författare :Mulu G Gebreeyesus; Göteborgs universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; firm turnover; productivity; firm growth; investment; adjustment cost; irreversibility; manufacturing; Africa; Ethiopia.;

    Sammanfattning : This thesis analyses the dynamics and investment behavior of Ethiopian manufacturing firms in post-reform period using establishment level industrial census panel data from 1996 to 2003. Three related topics such as firm turnover and productivity differentials, determinants of firm growth, and the effect of adjustment cost and irreversibility on firm investment decisions are investigated empirically. LÄS MER