While convertible offerings announced between 1984 and 1999 induce average abnormal stock returns of −1.69%, convertible announcement effects over the period 2000 to 2008 are more than twice as negative (−4.59%). We hypothesize that this evolution is attributable to a shift in the...

Stock returns around security offering announcements are conditional on firms' self-selection into a particular security type. We use a switching regression methodology on a data set of U.S. straight debt, convertible debt, and seasoned equity offerings to estimate counterfactual announcement...