Sökning: "Value-at-Risk"

Visar resultat 1 - 5 av 20 avhandlingar innehållade ordet Value-at-Risk.

  1. 1. Copula-based Portfolio Optimization

    Författare :Maziar Sahamkhadam; Andreas Stephan; Håkan Locking; Ranadeva Jayasekera; Linnéuniversitetet; []
    Nyckelord :SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Copula; portfolio optimization; conditional Value-at-Risk; vine copulas; asymmetric tail dependence; Black-Litterman approach; expectile Value-at-Risk; multiobjective portfolios; Business administration; Företagsekonomi;

    Sammanfattning : This thesis studies and develops copula-based portfolio optimization. The overall purpose is to clarify the effects of copula modeling for portfolio allocation andsuggest novel approaches for copula-based optimization. The thesis is a compilation of five papers. LÄS MER

  2. 2. Essays on Risk in International Financial Markets

    Författare :Ola Larsson; Nationalekonomiska institutionen; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; volatility; Value at Risk; copulas; Economics; econometrics; economic theory; economic systems; economic policy; Nationalekonomi; ekonometri; ekonomisk teori; ekonomiska system; ekonomisk politik; Financial science; Finansiering;

    Sammanfattning : This thesis deals with techniques to model risk in financial markets and consists of four separate essays. The thesis begins with an introduction in chapter one, while chapter two to chapter five contains the four essays. The first essay examines the implication of using various risk measures for portfolio selection. LÄS MER

  3. 3. Essays on systemic risk and financial market volatility

    Författare :Dominika Krygier; Nationalekonomiska institutionen; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; systemic risk; Volatility; Volatility forecasting; Bitcoin; implicit guarantees; Financial stability; Leverage; Value-at-Risk; CoVaR; networks; Centrality; interconnectedness; Financial crisis; Stock market; Banks; Financial Markets;

    Sammanfattning : This doctoral thesis consists of four independent research papers. All papers are empirical and cover the area of financial market risk, with a particular focus on systemic risk and volatility in financial markets. LÄS MER

  4. 4. Topics in Workforce Management in a Contact Center Context

    Författare :Göran Svensson; Per Enqvist; Tolga Tezcan; KTH; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; queues; queuing networks; workforce management; optimization; conditional value-at-risk; Tillämpad matematik och beräkningsmatematik; Applied and Computational Mathematics;

    Sammanfattning : This thesis is written as a monograph covering topics in operations research and focusing on workforcemanagement in a contact center environment.This text is the result of a cooperative project between the Royal Institute of Technology (KTH) andTeleopti WFM. LÄS MER

  5. 5. Aspects of Modeling Fraud Prevention of Online Financial Services

    Författare :Gorton Dan; Lars-Göran Mattsson; Simin Nadjm-Tehrani; KTH; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Online banking; fraud; incident response; metrics; incident response tree IRT ; value at risk VaR ; simulation; Transportvetenskap; Transport Science;

    Sammanfattning : Banking and online financial services are part of our critical infrastructure. As such, they comprise an Achilles heel in society and need to be protected accordingly. The last ten years have seen a steady shift from traditional show-off hacking towards cybercrime with great economic consequences for society. LÄS MER