Perhaps you should try some spelling variations:
"studies in macroeconomic factors" » "studies in socioeconomic factors", "studies in macroeconomic indicators", "studies in macroeconomic effects", "studies in macroeconomic sectors", "studies in macroeconomic history"
"studies in macroeconomic trends" » "studies in macroeconomic risks", "studies in macroeconomic crisis", "studies in macroeconomic crises"
"studies in economic factors" » "studies in economic sectors", "studies in economic history"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("studies in economic theory") or ("studies in macroeconomic trends"))) or ((((("studies in macroeconomic factors") or ("studies in economic factors"))) or ("studies in macroeconomic framework"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("studies in economic theory") OR ("studies in macroeconomic trends"))) OR ((((("studies in macroeconomic factors") OR ("studies in economic factors"))) OR ("studies in macroeconomic framework")))).
• Removing quotes may allow a broader search: (((( studies in economic theory ) or ( studies in macroeconomic trends ))) or ((((( studies in macroeconomic factors ) or ( studies in economic factors ))) or ( studies in macroeconomic framework )))).
• Adding a wildcard symbol may retrieve word variants: (((("studies in economic theory") or ("studies in macroeconomic trends"))) or ((((("studies in macroeconomic factors") or ("studies in economic factors"))) or ("studies in macroeconomic framework"))))*.