This paper provides an assessment of the presence of migrants, their characteristics and integration outcomes across OECD regions, based on a new OECD database on immigrant integration at the regional level. It reveals the wide diversity of the presence of migrants within countries, as well as...

Due to the lack of Purchasing Power Parities (PPPs) at regional level, regional Gross Domestic Product (GDP) figures have been traditionally adjusted using national PPPs. The simplifying assumption that all regions of a country have the same cost of living, and implicitly that there are no...

The concept of megaregions is increasingly put forward among academics and policy makers as a new scale of economic co-ordination and social organisation. A megaregion is most commonly understood as an economic unit that comprises an agglomeration of cities and its less dense hinterlands, which...