Chart 4. Hedonic Törnqvist index versus hedonic GEKS indexes, December 2018–December 2022: wireless telephone services
Month One-stage hedonic imputation model with Törnqvist weights GEKS (13-month window) GEKS (25-month window) GEKS (37-month window)

December 2018

100.000 100.000 100.000 100.000

January 2019

100.486 100.481 100.508 100.544

February 2019

100.853 100.824 100.729 100.640

March 2019

101.300 101.271 101.219 101.197

April 2019

99.903 99.830 99.723 99.711

May 2019

98.822 98.754 98.604 98.518

June 2019

99.204 99.138 99.019 98.974

July 2019

99.049 98.990 98.870 98.812

August 2019

96.774 96.719 96.541 96.476

September 2019

96.117 96.066 95.867 95.768

October 2019

96.645 96.596 96.453 96.433

November 2019

95.439 95.246 95.111 95.039

December 2019

94.241 93.983 93.872 93.796

January 2020

94.242 94.004 93.873 93.797

February 2020

94.029 93.755 93.646 93.598

March 2020

94.264 94.038 93.923 93.894

April 2020

93.078 92.733 92.640 92.693

May 2020

92.647 92.239 92.074 92.041

June 2020

93.318 93.077 92.890 92.760

July 2020

91.600 91.346 91.165 91.057

August 2020

91.640 91.214 91.074 91.228

September 2020

89.634 89.412 89.245 89.328

October 2020

92.744 91.961 91.976 92.127

November 2020

91.802 91.240 91.172 91.324

December 2020

91.323 90.749 90.701 90.841

January 2021

91.373 90.797 90.727 90.886

February 2021

91.572 90.979 90.911 91.071

March 2021

88.038 88.035 88.149 88.177

April 2021

88.029 87.972 88.140 88.168

May 2021

88.302 88.176 88.374 88.403

June 2021

88.384 88.210 88.451 88.485

July 2021

88.835 88.661 88.952 89.001

August 2021

88.195 88.220 88.463 88.525

September 2021

89.283 89.330 89.447 89.515

October 2021

90.507 90.617 90.807 90.843

November 2021

90.487 90.586 90.787 90.821

December 2021

90.011 90.115 90.312 90.324

January 2022

90.431 90.513 90.710 90.768

February 2022

90.784 90.831 91.007 91.056

March 2022

90.515 90.588 90.811 90.866

April 2022

89.299 89.446 89.665 89.701

May 2022

88.637 88.870 89.122 89.120

June 2022

88.504 88.729 89.004 88.995

July 2022

88.504 88.717 88.993 88.997

August 2022

87.084 87.412 87.809 87.854

September 2022

87.822 88.060 88.469 88.484

October 2022

87.818 88.052 88.469 88.481

November 2022

87.096 87.296 87.683 87.683

December 2022

88.372 88.590 88.961 88.977

Note: CPI = Consumer Price Index; GEKS = Gini-ÉltetÅ‘-Köves-Szulc.

Source: U.S. Bureau of Labor Statistics.