Perhaps you should try some spelling variations:
economics departments » economics department, economics experiments, economics payments
departments working » department working, departments wrong, department nursing
departments using » compartments using, department nursing, departments auditing
oecd economics » kcd economics, world economics, sound economics
working papers » working paper
using papers » using paper, using panels, being papers

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "\"((\\"oecd economics departments using papers\\") or (\\"((oecd economies) OR (oecd economic)) departments working papers\\"))\"".
• Removing quotes may allow a broader search: (( oecd economics departments using papers ) or ( ((oecd economies) OR (oecd economic)) departments working papers )).