EconLit

Combining search terms with Boolean operators

University Library

click = next

Boolean operatorsto 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

computers education

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