At some colleges and universities, economics professors receive higher salaries than professors in some other fields. True or False: This might be true because economics professors have better opportunities outside academia than professors in other fields. True False Some other colleges and universities have a policy of paying equal salaries to professors in all fields. At some of these schools, economics professors have lighter teaching loads than professors in some other fields. True or False: The differences in teaching load are intended to attract economics professors by providing efficiency wages. True