60 Off واخلئ کله چې تاسو اوس پیرئ
We discard all bonds that are exchangeable, putable, convertible, pay-in-kind; that have a nonfixed coupon; that are subordinated, secured, or guaranteed; or that are zero coupon bonds. Removing callable bonds would reduce our sample substantially, so we leave those in, but we correct for this feature in our regressions using a dummy variable.
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