Avancerad sökning

Hittade 4 avhandlingar som matchar ovanstående sökkriterier.

  1. 1. 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. 2. Entrepreneurial Dynamics and Acquisitions of New Technology-Based Firms

    Författare :Jing Xiao; Ekonomisk-historiska institutionen; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Business groups; New technology-based firms NTBFs ; Acquisitions; Entrepreneurial dynamics; Acquisition effects; Survival; Firm growth; Business cycle; Multinational enterprises MNEs ; Longitudinal data; Discrete-time duration models; Competition risks models; Fixed effects model; Inverse-probability-of-treatment weights IPTW ; Sweden;

    Sammanfattning : The aim of this thesis is to explore the evolution of new technology-based firms (NTBFs) based on solid empirical material for the Swedish economy. NTBFs are argued to be one important type of entrepreneurial firms that contribute to technology change, knowledge spillovers, and economic growth. LÄS MER

  4. 3. Model Checking Parameterized Timed Systems

    Författare :Pritha Mahata; Parosh Abdulla; Jean-Francois Raskin; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Model Checking; Parameterized Systems; Undecidability; Timed Petri Nets; Timed Networks; Computer science; Datavetenskap;

    Sammanfattning : In recent years, there has been much advancement in the area of verification of infinite-state systems. A system can have an infinite state-space due to unbounded data structures such as counters, clocks, stacks, queues, etc. It may also be infinite-state due to parameterization, i.e. LÄS MER

  5. 4. Pension reforms and retirement behaviour

    Författare :Erik Glans; Henry Ohlsson; Jan Pettersson; Erik Hernaes; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Retirement; pension reform; Economics; Nationalekonomi; nationalekonomi; Economics;

    Sammanfattning : This thesis consists of three self-contained essays. Essay 1. Knowledge about how elderly workers react to changes in pension benefits is important in guiding the design of social security systems. This essay contributes to this knowledge by examining the effect of changes in replacement rates on part-time retirement behaviour in Sweden. LÄS MER