Preface Dynamics modelling is a major topic in economics. As "time series econometrics," there has been a boom of study in this subject over the past ten years. On sometimes, souooe jeudua snouuouks Others synthesise the preceding research on statistical inference for time series data, like Aeosed Sey of Dynamic Systems. It appeared that there was a need for a text that could integrate theoretical and empirical issues as well as take into account the many advancements of the past ten years, including the analysis of vector autoregressions, estimation by the generalised method of moments, and statistical inference for nonstationary data. This is what time series analysis aims to achieve. JO aleaoo pood aptoad sxa eanas SAJvue ouosa ay u sauVape One major intended purpose for the book would be as a textbook for a graduate econometrics course in time series analysis. The book aims for maximum flexibility through what might be described as an integrated modular structure.