Gross Profitability Strategy Return Drivers
January 8, 2014 - Fundamental Valuation
Why does the gross profitability stock-screening strategy work? In their December 2013 paper entitled “Factoring Profitability”, Michael Branch, Lisa Goldberg and Ran Leshem explore the drivers of the gross profitability strategy for U.S. stocks. Specifically, they examine the contributions of factors in the conventional Fama-French-Carhart four-factor (FFC4) model of equity returns and the Barra USE4 12-factor model of equity returns to an idealized, industry-neutral gross profitability strategy. They define gross profitability as revenue minus cost of goods sold divided by assets. Idealized means a hedge portfolio that is each month long (short) stocks of firms in the top (bottom) fifth of gross profitability with no rebalancing frictions. Industry-neutral means constraining industry weights in the portfolio to equal those in the market index. Using stock price and accounting data and contemporaneous asset pricing model factor values as available during July 1963 through December 2012, they find that: Keep Reading