efficiency ratio
indicator of expenses as a percentage of revenue; i.e. how many euros one spends to make a euro
en-US/ɪˈfɪʃənsi ˈɹeɪʃoʊ/
en-GB/ɪˈfɪʃənsɪ ɹeɪʃiːəʊ/
indicator of expenses as a percentage of revenue; i.e. how many euros one spends to make a euro