Score contribution per author:
α: calibrated so average coauthorship-adjusted count equals average raw count
Recent studies using aging analysis have found high rates of default for rated, nonconvertible high-yield bonds. This paper examines the remainder of the market and concludes that rated. and nonrated convertible high-yield bonds had significantly lower defaul t rates. It also provides some evidence that nonrated, nonconvertible securities may have lower default rates. Even after controlling for issue size and coupon rates in a logit model, these differences rema in statistically significant. Copyright 1993 by American Finance Association.