The study proposes and tests a risk-free rate model that simultaneously lets the risk-free rate migrate between rating categories as risk-free rate ranges, and follow a random walk within rating categories as risk-free rate ranges. Although the study arbitrarily assigned rating categories, and...

The study reviews equity valuation, and proposes an alternative equity valuation model based on a random process modelling of earnings and equity growth. A Markov process is used to model earnings, standardized as earnings to book value, and book value based on rating category. This assumes a...

Rating migration variation or volatility, as rating migration uncertainty, is a real-life phenomenon, that can be measured empirically. The study extends reduced form bond valuation models based on rating migration (matrices), by allowing variation in the rating migration matrix, as opposed to...

The study builds on previous research that decomposes rating category default probability term structures from rating category interest rate term structures, and proposes a method to decompose rating migration matrices from market data, via decomposed default probability term structures. To...

The study proposes and tests a risk-free rate model that simultaneously lets the risk-free rate migrate between rating categories as risk-free rate ranges, and follow a random walk within rating categories as risk-free rate ranges. This is seen as a more accurate modelling of the risk-free rate,...

The study examines rating migration, and default probability term structures obtained from rating migration matrices. It expands on the use of rating migration matrices with reduced form bond valuation models, by formally delineating the probability of default according to the likely rating...

Rating migration variation or volatility, as rating migration uncertainty, is a real-life phenomenon that can be measured empirically. The study extends reduced form bond valuation models based on rating migration (matrices) by allowing variation in the rating migration matrix, as opposed to...