Rates for vs. Rates of

When rates means prices charged, it should be followed by for instead of of

State officials report that soaring rates for liability insurance are forcing cutbacks in the operations of everything from local governments and school districts to day-care centers and recreational facilities. - correct

State officials report that soaring rates of liability insurance are forcing cutbacks in the operations of everything from local governments and school districts to day-care centers and recreational facilities. - incorrect


When rate is used as a standard of measure, it should be followed by of instead of for

High rates of sick leave are a concern for all types of organizations. - correct

High rates for sick leave are a concern for all types of organizations. - incorrect