1st Edition

Time Series Decomposition and Seasonal Adjustment

By Ping Zong Copyright 2026
400 Pages 100 Color & 44 B/W Illustrations
by Chapman & Hall

400 Pages 100 Color & 44 B/W Illustrations
by Chapman & Hall

This book provides an in-depth examination of time series decomposition and seasonal adjustment, focusing on the X-13ARIMA-SEATS and TRAMO-SEATS methods. Seasonal adjustment removes distortions such as seasonal fluctuations and holiday effects from economic indicators (eg, GDP, CPI), enabling clearer insights into underlying trends, cycles, and shocks. These tools are vital for sound... Read more

1. Introduction
2. The Evolution of the X-11 Family Seasonal Adjustment Methods
3.  A Conceptual Framework for the General Theory of Seasonal Adjustment
4.  X-11 Method Based on Moving Averages
5.  Application of X-13ARIMA-SEATS Software
6.  X-13ARIMA-SEATS Advanced Topics and Practice
7. TRAMO-SEATS: A Model-Based Time Series Decomposition Method
8.  JDemetra+: Advanced Seasonal Adjustment Tools
9. Challenges and Future Directions of Seasonal Adjustment Methods. 
Appendices. Bibliography. Index.

Biography

Dr Ping Zong holds a bachelor's and master's degree in economics from Fudan University, China and a Ph.D in economics from Queen's University Belfast, UK. He has served as a research fellow at Queen's University Belfast, a British Academy K.C. Wong research fellow at the University of Newcastle Upon Tyne, and a senior research fellow at the University of Essex. From 2007 until his retirement in 2020, he worked as a senior research officer and methodologist at the UK Office for National Statistics, specialising in statistical methodology.

His primary research interests include parameter estimation, econometric modelling for economic forecasting, and time series analysis, with a particular focus on statistical and econometric methodology.

Dr Zong has authored 25 academic articles published in scholarly journals, as well as 15 books, including single-author works and collaborative volumes. His recent publications include Economics of Marketable Surplus Supply (reprinted by Routledge in 2018) and The Art and Science of Econometrics (published by Routledge in 2022). He has also been invited to serve as a peer reviewer for several academic journals and publishing houses.