The World Bank Policy Research Working Paper Series encourages the exchange of ideas on development and quickly disseminates the findings of research in progress. This series is aimed at showcasing ...

Articles are the main format for original research contributions to Nature ... Word counts refer to the text of the paper. Title, author list, acknowledgements and references are not included ...

This title is part of a longer publication history. The full run of this journal will be searched. TITLE HISTORY A title history is the publication history of a journal and includes a listing of the ...