EconLit Combining search terms with Boolean operators University Library click = next

Boolean operators to combine search terms  AND: all terms must occur e.g. computers AND education (narrow)  OR: one of the terms must occur e.g. computers OR education (broaden)  NOT: the term may not occur e.g. computers NOT education (exclude) computers education green = search result

AND = all terms must occur in the hits Combine search terms

Example: consequences of the dollarization to the exchange rates in Latin America Dollarization Exchange rates Latin America

Venture capital Risk capital OR = one of the terms must occur

Business ethics Corporate culture Professional ethics NOT = a term may not occur

Summary Narrow down with AND Enlarge with OR Exclude with NOT