Sökning: "Patrik Karlsson"

Visar resultat 1 - 5 av 19 avhandlingar innehållade orden Patrik Karlsson.

  1. 1. Essays in Quantitative Finance

    Författare :Patrik Karlsson; Nationalekonomiska institutionen; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; NATURVETENSKAP; SAMHÄLLSVETENSKAP; NATURAL SCIENCES; SOCIAL SCIENCES; credit valuation adjustment CVA ; derivative pricing; interest rate derivatives; Monte Carlo simulation;

    Sammanfattning : This thesis contributes to the quantitative finance literature and consists of four research papers.Paper 1. This paper constructs a hybrid commodity interest rate market model with a stochastic local volatility function that allows the model to simultaneously fit the implied volatility of commodity and interest rate options. LÄS MER

  2. 2. Electron spectroscopy studies of silicon-metal oxide and dye-solid interfaces

    Författare :Patrik Karlsson; Uppsala universitet; []
    Nyckelord :;

    Sammanfattning : .... LÄS MER

  3. 3. Food Webs, Models and Species Extinctions in a Stochastic Environment

    Författare :Patrik Karlsson; Biologiska institutionen; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Ekologi; Ecology; functional redundancy; trophospecies; species aggregation; environmental stochasticity; interaction strength; spectral colour; food web structure; food webs; extinction risk;

    Sammanfattning : In light of the current global mass extinction of species, ecologists are facing great challenges. In order to reverse the path towards additional extinctions early warning systems to guide management actions need to be developed. LÄS MER

  4. 4. Plastidial phosphate transport in plants

    Författare :Patrik Milton Karlsson; Göteborgs universitet; Göteborgs universitet; Gothenburg University; []
    Nyckelord :Arabidopsis; phosphate transport; thylakoid membrane; root plastid; photosynthesis; leaf size; starch metabolism; homology modeling; site-directed mutagenesis;

    Sammanfattning : Phosphorus is an essential element for all living organisms and is central to the genetics and energetics of life. Inorganic phosphate (Pi) is recurrently involved in protein regulation and signal transduction but also in energy transfer as a component of the ATP-molecule. LÄS MER

  5. 5. Margins of Prevention : - On Older Adolescents' Positive and Negative Beliefs about Illicit Drug Use

    Författare :Patrik Karlsson; Anders Bergmark; Edle Ravndal; Stockholms universitet; []
    Nyckelord :SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Illicit drugs; adolescents; prevention; margins for change; beliefs; perceptions; expectancies; positive; negative; risk; pleasure; Sweden; Social work; Socialt arbete;

    Sammanfattning : This study explores older adolescents’ positive and negative beliefs about illicit drug use from a preventive perspective. By positive beliefs is meant positive expectancies and benefit perceptions. By negative beliefs is meant negative expectancies and risk perceptions. LÄS MER