This note revolves around the issue of measuring inflation. In the first part, it rememorates the history of inflation indexes to then discuss if the indexes in use in Brazil are of Snyder type.
KEYWORDS:
Inflation; price index; Snyder index
| Ano | Mês | IGP-01 | SNYDER | INPC | INPC-AMPLO |
|---|---|---|---|---|---|
| 1981 | 1 | 6,60 | 6,90 | 6,50 | 6,80 |
| 2 | 8,50 | 7,00 | 5,20 | 6,20 | |
| 3 | 7.40 | 6.40 | 5,60 | 5,10 | |
| 4 | 5,50 | 6,20 | 5,30 | 5,00 | |
| 5 | 6,20 | 6,20 | 7,30 | 7,40 | |
| 6 | 4,50 | 5,20 | 4,00 | 4,00 | |
| 7 | 5,10 | 6,10 | 5,80 | 6,70 | |
| 8 | 6,70 | 6,40 | 6,90 | 6,30 | |
| 9 | 5,10 | 5,00 | 5,90 | 5,20 | |
| 10 | 4,40 | 4,40 | 3,90 | 4,70 | |
| 11 | 5,30 | 5,30 | 5,60 | 5,90 | |
| 12 | 3,80 | 4,60 | 4,60 | 4,40 | |
| 1982 | 1 | 6,30 | 6,30 | 7,60 | 8,30 |
| 2 | 6,90 | 6,20 | 6,50 | 6,20 | |
| 3 | 7,20 | 6,00 | 5,80 | 6,30 | |
| 4 | 5,40 | 5,70 | 4,80 | 5,20 | |
| 5 | 6,10 | 6,90 | 6,40 | 6,50 | |
| 6 | 8,00 | 7,10 | 7,50 | 7,40 | |
| 7 | 6, 10 | 6,40 | 6,50 | 6,50 | |
| 8 | 5,80 | 5,20 | 6,00 | 6,10 | |
| 9 | 3,70 | 4,30 | 4,70 | 5,40 | |
| 10 | 4,80 | 4,90 | 3,90 | 4,60 | |
| 11 | 5,00 | 5,30 | 4,20 | 4,60 | |
| 12 | 6, 10 | 6,70 | 6,40 | 6,00 | |
| 1983 | 1 | 9,00 | 8,10 | 10,90 | 10,40 |
| 2 | 6,50 | 6,00 | 6,60 | 6,10 | |
| 3 | 10,10 | 8,80 | 8,30 | 8,50 | |
| 4 | 9,20 | 8,50 | 7,70 | 7,80 | |
| 5 | 6,70 | 7,00 | 5,60 | 5,60 | |
| 6 | 12,30 | 11,00 | 8,30 | 7,90 | |
| 7 | 13,30 | 11,90 | 13,60 | 12,10 | |
| 8 | 10,10 | 8,60 | 9,50 | 8,30 | |
| 9 | 12,80 | 10,90 | 9,50 | 9,50 | |
| 10 | 13,30 | 11,30 | 13,00 | 10,90 | |
| 11 | 8,40 | 7,90 | 7,20 | 7,00 | |
| 12 | 7,60 | 8,60 | 7,10 | 7,40 | |
| 1984 | 1 | 9,80 | 9,70 | 9,80 | 10,10 |
| 2 | 12,30 | 10,70 | 8,90 | 9,10 | |
| 3 | 10,00 | 9,60 | 9,60 | 9,00 | |
| 4 | 8,90 | 9,10 | 10,40 | 9,20 | |
| 5 | 8,90 | 9,30 | 8,60 | 9,90 | |
| 6 | 9,20 | 9,50 | 8,80 | 8,10 | |
| 7 | 10,30 | 10,30 | 11,60 | 12,60 | |
| 8 | 11,30 | 9,40 | 7,10 | 7,30 | |
| 9 | 9,90 | 10,30 | 9,90 | 11,40 | |
| 10 | 12,60 | 11,30 | 11,20 | 10,90 | |
| 11 | 9,90 | 9,60 | 10,10 | 10,30 | |
| 12 | 10,50 | 10,40 | 10,20 | 10,30 | |
| 1985 | 1 | 12,60 | 12,30 | 13,90 | 14,60 |
| 2 | 10,20 | 10,60 | 9,90 | 8,90 | |
| 3 | 12,70 | 11,50 | 11,80 | 12,80 | |
| 4 | 7,20 | 7,50 | 9,50 | 8,80 | |
| 5 | 7,80 | 7,70 | 6,70 | 6,80 | |
| 6 | 7,80 | 9,30 | 7,80 | 7,70 |
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