Roughly two-thirds of world economies fail to comply with international standards on consumer price index compilation, a paper published by the International Monetary Fund finds.

Using data on 196 countries across 1,200 IMF missions, Francien Berry and co-authors evaluate the soundness of the consumer and producer price indexes (CPI and PPI) as price measurements and forecasting tools. They examine each index against four international standard criteria: frequency of updating the weights; the