The World Health Organization (WHO) is the directing and coordinating authority for health within the United Nations system.
The National Bureau of Economic Research (NBER) is a private, non-profit, non-partisan organisation dedicated to conducting economic research and to disseminating research findings among academics, public policy makers, and business professionals.
The World Bank is a United Nations international financial institution that provides loans to developing countries for capital programs. The World Bank is a component of the World Bank Group, and a member of the United Nations Development Group. The World Bank's mission is to end extreme poverty within a generation and boost shared prosperity.
The Institute for Fiscal Studies is an economic research institute based in London, United Kingdom, which specialises in UK taxation and public policy. It is politically independent and produces both academic and policy-related findings.