单选题 T - bill yields can be thought of as : A. real risk -free rates because they contain an inflation premium. B. real rates because they contain an inflation premium. C. nominal risk -free rates because they contain an inflation premium.

【正确答案】 C

【答案解析】T - bills are government issued securities and are therefore considered to be default risk free. More precisely, they are nominal risk - free rates rather than real risk - free rates since they contain a premium for expected inflation.