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Visar resultat 1 - 5 av 253 avhandlingar som matchar ovanstående sökkriterier.

1. 1. Essays on stochastic volatility

   Författare :Marcus Nossman; Nationalekonomiska institutionen; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; volatility; Contagion; jumps; risk premium; MCMC;

   Sammanfattning : This dissertation consists of five papers concerned with the estimation and analysis of financial price processes. The first paper develops a stock price model and analyzes the impact of the US and the regional European stock markets on the local European countries’ stock markets. LÄS MER

3. 2. Financial Volatility and Time-Varying Risk Premia

   Författare :Peter Hördahl; Nationalekonomiska institutionen; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Monte Carlo methods; Term structure of interest rates; Asymmetric variance; Time-varying risk premia; Volatility forecasting; CAPM; Conditional asset pricing models; Stochastic volatility; Volatility modeling; GARCH; Bond option pricing; Financial science; Finansiering;

   Sammanfattning : This thesis consists of four empirical essays, all dealing with return volatility of financial assets and/or time-varying risk premia. In the first essay, Changing Risk Premia: Evidence from a Small Open Economy, the relation between risk and return is investigated for Swedish stocks. LÄS MER

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

   Författare :Dominika Krygier; Nationalekonomiska institutionen; []
   Nyckelord :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

5. 4. Modeling financial volatility : A functional approach with applications to Swedish limit order book data

   Författare :Suad Elezovic; Xavier de Luna; Gunnar Rosenqvist; Umeå universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Financial data; functional time series; multivariate generalized least squares; seemingly unrelated autoregression; Statistics; computer and systems science; Statistik; data- och systemvetenskap; ekonometri; Econometrics;

   Sammanfattning : This thesis is designed to offer an approach to modeling volatility in the Swedish limit order market. Realized quadratic variation is used as an estimator of the integrated variance, which is a measure of the variability of a stochastic process in continuous time. LÄS MER

7. 5. On the Normal Inverse Gaussian Distribution in Modeling Volatility in the Financial Markets

   Författare :Lars Forsberg; Luc Bauwens; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Informatics; computer and systems science; Volatility modeling; inverse Gaussian; normal inverse Gaussian; realized volatility; GARCH; Informatik; data- och systemvetenskap; Informatics; computer and systems science; Informatik; data- och systemvetenskap; statistik; Statistics;

   Sammanfattning : We discuss the Normal inverse Gaussian (NIG) distribution in modeling volatility in the financial markets. Refining the work of Barndorff-Nielsen (1997) and Andersson (2001), we introduce a new parameterization of the NIG distribution to build the GARCH(p,q)-NIG model. LÄS MER