Search for dissertations about: "GARCH"
Showing result 1 - 5 of 44 swedish dissertations containing the word GARCH.
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1. Testing for Unit Root against LISTAR Model : Wavelet Improvement under GARCH Distortion
Abstract : In this paper we propose a Nonlinear Dickey-Fuller F test for unit root against first order Logistic Smooth Transition Autoregressive LISTAR (1) model with time as the transition variable. The Nonlinear Dickey-Fuller F test statistics is established under the null hypothesis of random walk without drift and the alternative model is a nonlinear LSTAR (1) model. READ MORE
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2. Essays on Financial Markets
Abstract : This thesis consists of five empirical essays dealing with different issues related to financial markets. Chapter 2 studies a new multivariate technique, Orthogonal GARCH, of forecasting large covariance matrices based on GARCH models. READ MORE
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3. Financial Volatility and Time-Varying Risk Premia
Abstract : 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. READ MORE
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4. Essays in Financial Economics
Abstract : Chapter 1 develops a framework to investigate the impact of the financial crisis starting in 2007 and employs an extended GARCH model to test for spillover and contagion effects originating from the financial sector. We find that the financial crisis affects financially distressed firms more heavily than non-distressed firms. READ MORE
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5. Essays on Financial Models
Abstract : This thesis consists of five essays exploring the validity of some extensively used financial models with a focus on the Swedish equity and derivative markets. The essays are of both an empirical and a theoretical nature. READ MORE