Character vector of ISO 3166-1 alpha-3 country codes, or
"all" for all available OECD members. Defaults to "all". Run
list_oecd_countries() to see available codes.
start_year
Numeric. Earliest year to include. Defaults to 1990.
refresh
Logical. If TRUE, re-download even if a cached copy
exists. Defaults to FALSE.
Details
Returns the year-on-year percentage change in the Consumer Price Index
(CPI) for total expenditure, not seasonally adjusted. This is the standard
harmonised measure of headline inflation used for cross-country comparisons.