Data and Methods for Cross-Country Comparison
Regional GDP data often differ in coverage and methodology. Harmonizing sector classifications, adjusting for informal activity, and aligning base years create a fair foundation for comparing growth trends across borders and time.
Data and Methods for Cross-Country Comparison
PPP adjusts for price levels, but baskets vary by country. A rural household’s spending profile differs from an urban one, so mixing them carelessly can distort real income gaps and mislead policy priorities considerably.