“…The purchasing power parities and real expenditures contained in this joint Eurostat-OECD publication cover 42 countries including the 30 OECD member countries, the 25 EU countries, Israel and the Russian Federation. They are based on price and expenditure data for 2002 and have been calculated using the EKS aggregation method…”

“…In recent decades, federal and unitary countries have increasingly adopted or deepened regional governance reforms, especially in the OECD and Europe, but also in Asia, America and to a lesser extent Africa. …”

“…., related to performance, security, and social networking), and provides solutions using various data-driven techniques, including machine learning, deep learning, federated learning, and AI…”