|
|
1 | (28) |
|
|
1 | (1) |
|
1.2 Part I: Seasonal Adjustment Methods |
|
|
2 | (19) |
|
1.2.1 Smoothing Linear Seasonal Adjustment Methods |
|
|
3 | (6) |
|
1.2.2 ARIMA Model-Based Seasonal Adjustment Method |
|
|
9 | (5) |
|
1.2.3 Structural Time Series Models |
|
|
14 | (7) |
|
1.3 Part II: Real Time Trend-Cycle Estimation |
|
|
21 | (8) |
|
|
26 | (3) |
|
|
29 | (32) |
|
2.1 Time Series Decomposition Models |
|
|
30 | (3) |
|
2.2 The Secular or Long-Term Trend |
|
|
33 | (3) |
|
2.2.1 Deterministic Trend Models |
|
|
34 | (1) |
|
|
34 | (2) |
|
|
36 | (3) |
|
2.3.1 Deterministic and Stochastic Models for the Business Cycle |
|
|
39 | (1) |
|
2.4 The Seasonal Variations |
|
|
39 | (8) |
|
2.4.1 Seasonal Adjustment Methods |
|
|
41 | (6) |
|
|
47 | (5) |
|
2.5.1 The Moving Holiday Component |
|
|
47 | (2) |
|
2.5.2 The Trading Day Component |
|
|
49 | (3) |
|
2.6 The Irregular Component |
|
|
52 | (9) |
|
2.6.1 Redistribution of Outliers and Strikes |
|
|
52 | (1) |
|
2.6.2 Models for the Irregulars and Outliers |
|
|
53 | (3) |
|
|
56 | (5) |
|
Part I Seasonal Adjustment Methods |
|
|
|
3 Seasonal Adjustment: Meaning, Purpose, and Methods |
|
|
61 | (18) |
|
3.1 Seasonality, Its Causes and Characteristics |
|
|
61 | (2) |
|
3.2 The Economic Significance of Seasonality and the Need for Seasonally Adjusted Series |
|
|
63 | (2) |
|
3.3 Basic Assumptions of Main Seasonal Adjustment Methods |
|
|
65 | (14) |
|
|
66 | (5) |
|
3.3.2 Stochastic Model-Based Methods |
|
|
71 | (1) |
|
3.3.3 Linear Smoothing Methods |
|
|
72 | (4) |
|
|
76 | (3) |
|
4 Linear Filters Seasonal Adjustment Methods: Census Method II and Its Variants |
|
|
79 | (36) |
|
|
79 | (4) |
|
4.1.1 Main Steps to Produce a Seasonally Adjusted Series |
|
|
81 | (2) |
|
4.2 Basic Properties of the Two-Sided Linear Smoothing Filters of Census Method II-X11 Variant |
|
|
83 | (2) |
|
4.2.1 The Centered 12 Months Moving Average |
|
|
83 | (1) |
|
4.2.2 The 9-, 13-, and 23-Term Henderson Moving Averages |
|
|
84 | (1) |
|
4.2.3 The Weighted 5-Term (3 x 3) and 7-Term (3 × 5) Moving Averages |
|
|
84 | (1) |
|
4.3 Basic Properties of the One-Sided Linear Smoothing Filters of Census Method II-X11 Variant |
|
|
85 | (1) |
|
|
86 | (9) |
|
4.4.1 General Outline and Basic Assumptions |
|
|
86 | (2) |
|
4.4.2 The Forecasting Filters of ARIMA Models and Their Properties |
|
|
88 | (3) |
|
4.4.3 Other Main Improvements Incorporated into the Automated Version of X11ARIMA |
|
|
91 | (4) |
|
|
95 | (5) |
|
|
95 | (2) |
|
4.5.2 The General RegARIMA Model |
|
|
97 | (3) |
|
4.6 Illustrative Example: X12ARIMA Seasonal Adjustment of the US NODG Series |
|
|
100 | (15) |
|
4.6.1 Input: Specification File |
|
|
101 | (2) |
|
4.6.2 Testing for the Presence of Identifiable Seasonality |
|
|
103 | (2) |
|
|
105 | (5) |
|
|
110 | (3) |
|
|
113 | (2) |
|
5 Seasonal Adjustment Based on ARIMA Model Decomposition: TRAMO-SEATS |
|
|
115 | (32) |
|
5.1 TRAMO: Time Series Regression with ARIMA Noise, Missing Observations, and Outliers |
|
|
116 | (5) |
|
5.2 SEATS: Signal Extraction in ARIMA Time Series |
|
|
121 | (5) |
|
5.3 Illustrative Example: TRAMO-SEATS Seasonal Adjustment of the US NODG Series |
|
|
126 | (21) |
|
5.3.1 Input: Specifications |
|
|
127 | (1) |
|
5.3.2 Testing for the Presence of Identifiable Seasonality |
|
|
128 | (1) |
|
|
128 | (8) |
|
|
136 | (8) |
|
|
144 | (3) |
|
6 Seasonal Adjustment Based on Structural Time Series Models |
|
|
147 | (20) |
|
6.1 Structural Time Series Models |
|
|
148 | (5) |
|
|
148 | (2) |
|
6.1.2 The Cyclical Component |
|
|
150 | (1) |
|
|
151 | (2) |
|
6.1.4 Regression Component |
|
|
153 | (1) |
|
6.2 Linear State Space Models |
|
|
153 | (6) |
|
|
155 | (1) |
|
6.2.2 Likelihood Estimation |
|
|
156 | (2) |
|
6.2.3 Diagnostic Checking |
|
|
158 | (1) |
|
6.3 Illustrative Example: Analysis of the US Unemployment Rate for Males Using STAMP |
|
|
159 | (8) |
|
|
163 | (4) |
|
Part II Trend-Cycle Estimation |
|
|
|
|
167 | (30) |
|
7.1 Deterministic Global Trend Models |
|
|
168 | (2) |
|
7.2 Stochastic Global Trend Models |
|
|
170 | (8) |
|
7.2.1 TRAMO-SEATS Trend Models |
|
|
172 | (3) |
|
|
175 | (3) |
|
7.3 Stochastic Local Trend-Cycle Models |
|
|
178 | (13) |
|
7.3.1 Locally Weighted Regression Smoother (LOESS) |
|
|
180 | (1) |
|
7.3.2 Henderson Smoothing Filter |
|
|
181 | (3) |
|
7.3.3 Gaussian Kernel Smoother |
|
|
184 | (1) |
|
7.3.4 Cubic Smoothing Spline |
|
|
185 | (3) |
|
7.3.5 Theoretical Properties of Symmetric and Asymmetric Linear Trend-Cycle Filters |
|
|
188 | (3) |
|
|
191 | (6) |
|
|
193 | (4) |
|
8 Further Developments on the Henderson Trend-Cycle Filter |
|
|
197 | (28) |
|
8.1 The Nonlinear Dagum Filter (NLDF) |
|
|
198 | (3) |
|
8.2 The Cascade Linear Filter |
|
|
201 | (9) |
|
8.2.1 The Symmetric Linear Filter |
|
|
202 | (3) |
|
8.2.2 The Asymmetric Linear Filter |
|
|
205 | (5) |
|
8.3 The Henderson Filter in the Reproducing Hilbert Space (RKHS) |
|
|
210 | (15) |
|
8.3.1 Linear Filters in Reproducing Kernel Hilbert Spaces |
|
|
211 | (4) |
|
8.3.2 The Symmetric Henderson Smoother and Its Kernel Representation |
|
|
215 | (5) |
|
8.3.3 Asymmetric Henderson Smoothers and Their Kernel Representations |
|
|
220 | (2) |
|
|
222 | (3) |
|
9 A Unified View of Trend-Cycle Predictors in Reproducing Kernel Hilbert Spaces (RKHS) |
|
|
225 | (18) |
|
9.1 Nonparametric Estimators in RKHS |
|
|
226 | (9) |
|
9.1.1 Polynomial Kernel Regression |
|
|
230 | (1) |
|
9.1.2 Smoothing Spline Regression |
|
|
231 | (4) |
|
|
235 | (8) |
|
9.2.1 Empirical Evaluation |
|
|
237 | (3) |
|
|
240 | (3) |
|
10 Real Time Trend-Cycle Prediction |
|
|
243 | (20) |
|
10.1 Asymmetric Filters and RKHS |
|
|
245 | (5) |
|
10.1.1 Properties of the Asymmetric Filters |
|
|
249 | (1) |
|
10.2 Optimal Bandwidth Selection |
|
|
250 | (5) |
|
10.3 Empirical Application |
|
|
255 | (8) |
|
10.3.1 Reduction of Revision Size in Real Time Trend-Cycle Estimates |
|
|
256 | (2) |
|
10.3.2 Turning Point Detection |
|
|
258 | (4) |
|
|
262 | (1) |
|
11 The Effect of Seasonal Adjustment on Real-Time Trend-Cycle Prediction |
|
|
263 | (16) |
|
11.1 Seasonal Adjustment Methods |
|
|
264 | (6) |
|
|
264 | (4) |
|
|
268 | (2) |
|
11.2 Trend-Cycle Prediction in Reproducing Kernel Hilbert Space (RKHS) |
|
|
270 | (2) |
|
11.3 Empirical Application |
|
|
272 | (7) |
|
11.3.1 Reduction of Revisions in Real Time Trend-Cycle Estimates |
|
|
275 | (1) |
|
11.3.2 Turning Point Detection |
|
|
275 | (2) |
|
|
277 | (2) |
Glossary |
|
279 | |