Perhaps you should try some spelling variations:
economics department » economics development, economics experiments, economics management
kcd economics » oecd economies, land economics, food economics
using papers » using paper, being papers, using pages
using panels » using panel, using pandas, using channels

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

• If you are trying to use Boolean operators, they must be ALL CAPS: kcd economics department ((using papers) OR (using panels)).
• Adding a wildcard symbol may retrieve word variants: kcd economics department ((using papers) or (using panels))*.