Which one is a depository institution? investment bank O insurance firms O O pension funds O mutual funds credit unions O When the Fed sells treasury bills in the market, a. the money supply increases b. the money supply decreases c. the money supply remains unchanged a O O 6 Through the transactions of which of the following the coupons and the face value of a bond can be traded separately? Revenue bonds Munis STRIPS Corporate Bonds General Obligation Bonds Which of the followings provide flexible interest rate of the security that we may reduce the risk of inflation? negotiable certificates of deposits Treasury inflation protection securities Repurchase agreements commercial papers banker's acceptances