New purchasing power parities reveal large relative cost of living difference across the OECD in 2022

4 minute read Comparing macroeconomic indicators across countries is a tricky issue, as it requires adjustment for differences in currencies and price levels to ensure a like-for-like comparison. Purchasing Power Parities (PPPs) are the right tool for this. This is possible because PPPs are calculated based on prices of a common and comprehensive basket of goods and services. As a result, PPPs are the go-to conversion rates to be used when comparing macroeconomic indicators, such as GDP or pric