UNU-WIDER is a leading international think tank on development economics. The Institute provides economic analysis and policy advice to promote sustainable and equitable development for all. In 1985, the Institute was the first research centre of the United Nations University in Helsinki, Finland. Today, it is a unique blend of think tanks, research institutes and UN agency – a range of services ranging from political advice to governments to original research that is open access. For more information on UNU-WIDER`s current work programme, see www.wider.unu.edu. All positions are temporary appointments. A temporary appointment has no legal or other expectation of an extension or transformation, regardless of the length of service.