| FRED Graph Observations |
| Federal Reserve Economic Data |
| Link: https://fred.stlouisfed.org |
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| Economic Research Division |
| Federal Reserve Bank of St. Louis |
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| TB3MS | 3-Month Treasury Bill: Secondary Market Rate, Percent, Monthly, Not Seasonally Adjusted |
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| Frequency: Monthly |
| observation_date | TB3MS | | | PPIACO |
| 2014-08-01 | 0.03 | | | 207.0 |
| 2014-09-01 | 0.02 | -0.01 | | 206.4 | -0.2898550725 |
| 2014-10-01 | 0.02 | 0.00 | | 203.4 | -1.4534883721 |
| 2014-11-01 | 0.02 | 0.00 | | 200.9 | -1.2291052114 |
| 2014-12-01 | 0.03 | 0.01 | | 197.0 | -1.9412643106 |
| 2015-01-01 | 0.03 | 0.00 | | 192.0 | -2.538071066 |
| 2015-02-01 | 0.02 | -0.01 | | 191.1 | -0.46875 |
| 2015-03-01 | 0.03 | 0.01 | | 191.5 | 0.209314495 |
| 2015-04-01 | 0.02 | -0.01 | | 190.9 | -0.3133159269 |
| 2015-05-01 | 0.02 | 0.00 | | 193.4 | 1.3095861708 |
| 2015-06-01 | 0.02 | 0.00 | | 194.8 | 0.7238883144 |
| 2015-07-01 | 0.03 | 0.01 | | 193.9 | -0.4620123203 |
| 2015-08-01 | 0.07 | 0.04 | | 191.9 | -1.0314595152 |
| 2015-09-01 | 0.02 | -0.05 | | 189.1 | -1.4590932777 |
| 2015-10-01 | 0.02 | 0.00 | | 187.5 | -0.8461131676 |
| 2015-11-01 | 0.12 | 0.10 | | 185.7 | -0.96 |
| 2015-12-01 | 0.23 | 0.11 | | 183.5 | -1.1847065159 |
| 2016-01-01 | 0.26 | 0.03 | | 182.6 | -0.4904632153 |
| 2016-02-01 | 0.31 | 0.05 | | 181.3 | -0.7119386637 |
| 2016-03-01 | 0.29 | -0.02 | | 182.1 | 0.4412575841 |
| 2016-04-01 | 0.23 | -0.06 | | 183.2 | 0.6040637013 |
| 2016-05-01 | 0.27 | 0.04 | | 185.3 | 1.1462882096 |
| 2016-06-01 | 0.27 | 0.00 | | 187.6 | 1.2412304371 |
| 2016-07-01 | 0.30 | 0.03 | | 187.7 | 0.0533049041 |
| 2016-08-01 | 0.30 | 0.00 | | 186.6 | -0.5860415557 |
| 2016-09-01 | 0.29 | -0.01 | | 186.9 | 0.1607717042 |
| 2016-10-01 | 0.33 | 0.04 | | 186.7 | -0.1070090958 | | | SUMMARY OUTPUT |
| 2016-11-01 | 0.45 | 0.12 | | 186.3 | -0.2142474558 |
| 2016-12-01 | 0.51 | 0.06 | | 188.2 | 1.0198604402 | | | Regression Statistics |
| 2017-01-01 | 0.51 | 0.00 | | 190.7 | 1.3283740701 | | | Multiple R | 0.1713227632 |
| 2017-02-01 | 0.52 | 0.01 | | 191.6 | 0.4719454641 | | | R Square | 0.0293514892 |
| 2017-03-01 | 0.74 | 0.22 | | 191.5 | -0.0521920668 | | | Adjusted R Square | 0.01261617 |
| 2017-04-01 | 0.80 | 0.06 | | 193.0 | 0.7832898172 | | | Standard Error | 0.0683263099 |
| 2017-05-01 | 0.89 | 0.09 | | 192.8 | -0.103626943 | | | Observations | 60 |
| 2017-06-01 | 0.98 | 0.09 | | 193.6 | 0.4149377593 |
| 2017-07-01 | 1.07 | 0.09 | | 193.5 | -0.0516528926 | | | ANOVA |
| 2017-08-01 | 1.01 | -0.06 | | 193.8 | 0.1550387597 | | | | df | SS | MS | F | Significance F |
| 2017-09-01 | 1.03 | 0.02 | | 194.8 | 0.515995872 | | | Regression | 1 | 0.0081878914 | 0.0081878914 | 1.7538649201 | 0.190586716 |
| 2017-10-01 | 1.07 | 0.04 | | 194.9 | 0.0513347023 | | | Residual | 58 | 0.2707721086 | 0.0046684846 |
| 2017-11-01 | 1.23 | 0.16 | | 195.9 | 0.5130836326 | | | Total | 59 | 0.27896 |
| 2017-12-01 | 1.32 | 0.09 | | 196.3 | 0.2041858091 |
| 2018-01-01 | 1.41 | 0.09 | | 197.9 | 0.8150789608 | | | | Coefficients | Standard Error | t Stat | P-value | Lower 95% | Upper 95% | Lower 95.0% | Upper 95.0% |
| 2018-02-01 | 1.57 | 0.16 | | 199.3 | 0.7074279939 | | | Intercept | 0.0328453667 | 0.0088439553 | 3.7138775038 | 0.0004604103 | 0.0151422667 | 0.0505484667 | 0.0151422667 | 0.0505484667 |
| 2018-03-01 | 1.70 | 0.13 | | 199.3 | 0 | | | X Variable 1 | 0.0141507749 | 0.0106851876 | 1.3243356523 | 0.190586716 | -0.007237952 | 0.0355395018 | -0.007237952 | 0.0355395018 |
| 2018-04-01 | 1.76 | 0.06 | | 200.3 | 0.5017561465 |
| 2018-05-01 | 1.86 | 0.10 | | 203.2 | 1.4478282576 |
| 2018-06-01 | 1.90 | 0.04 | | 204.2 | 0.4921259843 |
| 2018-07-01 | 1.96 | 0.06 | | 204.3 | 0.0489715965 |
| 2018-08-01 | 2.03 | 0.07 | | 203.4 | -0.4405286344 |
| 2018-09-01 | 2.13 | 0.10 | | 203.6 | 0.0983284169 |
| 2018-10-01 | 2.25 | 0.12 | | 204.6 | 0.4911591356 |
| 2018-11-01 | 2.33 | 0.08 | | 202.3 | -1.1241446725 |
| 2018-12-01 | 2.37 | 0.04 | | 201.0 | -0.6426099852 |
| 2019-01-01 | 2.37 | 0.00 | | 199.1 | -0.9452736318 |
| 2019-02-01 | 2.39 | 0.02 | | 199.2 | 0.0502260171 |
| 2019-03-01 | 2.40 | 0.01 | | 200.8 | 0.8032128514 |
| 2019-04-01 | 2.38 | -0.02 | | 202.1 | 0.6474103586 |
| 2019-05-01 | 2.35 | -0.03 | | 201.5 | -0.2968827313 |
| 2019-06-01 | 2.17 | -0.18 | | 200.3 | -0.5955334988 |
| 2019-07-01 | 2.10 | -0.07 | | 201.0 | 0.3494757863 |
| 2019-08-01 | 1.95 | -0.15 | | 199.3 | -0.8457711443 |