Essays about: "Autoregressive gamma process"
Found 3 essays containing the words Autoregressive gamma process.
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1. A simple model of volatility in financial data - An alternative to GARCH models
University essay from Lunds universitet/Statistiska institutionenAbstract : Financial return series are often characterized by volatility clusters and a leptokurtic distribution. Many models that account for these properties exist, with the GARCH model proposed by Bollerslev (1986) being the most popular. This thesis explores an alternative model to capture the stochastic volatility in financial time series. READ MORE
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2. Term Structure Modeling near the Zero Lower Bound: Regime Switching & Monetary Policy
University essay from Handelshögskolan i Stockholm/Institutionen för nationalekonomiAbstract : This thesis proposes a regime-switching extension to the well known autoregressive gamma and gamma-zero process nesting its linear counterpart. The affine term structure model based on the new process matches key stylized facts of interest rates during a zero lower bound period as well as in normal times. READ MORE
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3. Return Models and Covariance Matrices
University essay from Lunds universitet/Fysiska institutionen; Lunds universitet/Matematisk fysikAbstract : Return models and covariance matrices of return series have been studied. In particular, GARCH and SV models are compared with respect to their forecasting accuracy when applied to intraday return series. SV models are found to be considerably more accurate and more consistent in accuracy in forecasting. READ MORE
