Latest Module Specifications
Current Academic Year 2025 - 2026
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Description The module introduces the main concepts underlying the analysis of Time Series models, studying the stationarity of univariate and multivariate linear time series and some related models. The applications of this theory to dynamic economic modelling are also explored, especially in the context of inefficient markets and structural economic models, including model building and critical appraisal of the models. The analysis, development and appraisal of these financial models is among the principal distinctions between this module and corresponding Time Series modules delivered to undergraduate students (MS447, MS447A). Time Series. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Learning Outcomes 1. 1DBC73F4-C2B4-0001-71E8-1F511DB2D630 2. prove whether given time series models are weakly or strictly stationary and explain the suitability of using certain models in finance 5. 1 6. 1DBC9F74-630E-0001-9EB8-14A0E09FC630 7. establish the important properties of moving average models, and to apply them to model dynamically financial phenomena 10. 2 11. 1DBC73F4-D1D1-0001-2CE6-1FC014101E11 12. characterise the class of linear autoregressive models which possess unique attracting stationary solutions, and to apply these processes to model financial phenomena 15. 3 16. 1DBC9F74-8519-0001-8C88-1B10F01E8180 17. develop nonstationary time series models of financial phenomena, and determine transformations which reduce them to stationary models 20. 4 21. 1DBC9F74-9412-0001-6045-116916601CFE 22. evaluate whether a given data set fits a particular stationary linear time series model and interpret the results of appropriate associated statistical tests 25. 5 26. 1DBC9F74-9CBD-0001-D927-6390308F1D79 27. analyse vector autoregressive processes and determine their stationarity properties 30. 6 31. 1DBC9F74-A889-0001-DE85-1E901149B180 32. propose multidimensional discrete time stochastic economic models which can be analysed and critiqued in the vector autoregressive process framework 35. 7 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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All module information is indicative and subject to change. For further information,students are advised to refer to the University's Marks and Standards and Programme Specific Regulations at: http://www.dcu.ie/registry/examinations/index.shtml |
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Indicative Content and Learning Activities
Stationary processes Strict and weak stationary, autocovariance function, integrated time series. White noise process. Linear time series models. Short and long-range dependence. Wold's decomposition theorem. Partial autocorrelation function. Moving average time series Stationarity and invertibility of moving average models. Invertibility of general linear processes. Term structure of the autocovariance function and applications to modelling real estate and financial markets. Linear autoregressive time series AR(p) time series. Characterisation of stationarity. Stationary solutions and uniqueness. Applications to volatility and interest rate modelling. ARMA(p,q) models, in particular ARMA(1,1). ARIMA models. Non-stationarity and ARIMA models ARIMA models. Transient nonstationarity. Stability of stationarity under differencing. Reducing time series to stationary series. Economic modelling of bubbles and seasonal behaviour. Fitting and Prediction in ARIMA models Box-Jenkins method for fitting linear time series. Statistical testing for white noise, moving average, autoregressive models. The prediction operator and forecasting. Multivariate Processes Multidimensional covariance function. Multidimensional white noise. Vector autogressive (VAR) processes. Stationarity and cointegration. Using VAR to model dynamic economic phenomena. Further time series models Properties and applications of bilinear, TAR and ARCH-type models | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Indicative Reading List Books:
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Other Resources None | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Code assigned to this module is MS547. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||