- The report mentions the "Four-Engine Model" as a quantitative model used to identify potential opportunities in various industry sectors[6][13] - The "Four-Engine Model" suggests focusing on sectors such as computers, automobiles, machinery, pharmaceuticals, non-bank financials, media, electronics, and telecommunications based on recent market signals and Sharpe ratio rankings[6][13] - The model evaluates sectors based on metrics like recent signal dates, potential profit-effect anomalies, and Sharpe ratio rankings over the past year[13]