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...

Using a novel dataset, we show that components of firms' GAAP earnings stemming from ancillary business activities or transitory shocks are significant in frequency and magnitude. These components have grown over time and are dispersed across various sections of the 10-K. Excluding them from...