Investment, and Taxation Key Concepts
UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
CAPM Single Security - CORRECT ANSWER r = rf + βs(rm - rf)
CAPM Portfolio - CORRECT ANSWER r = rf + βp(rm - rf)
Beta - CORRECT ANSWER βi = (σim / σm)
Sharpe Ratio - CORRECT ANSWER Sp = (rp - rf) / σp
Treynor Ratio - CORRECT ANSWER Tp = (rp - rf) / βp
Jensen's Alpha - CORRECT ANSWER α = (rp - rf) - βp(rm - rf)
Expected Return - CORRECT ANSWER Sum of each percentage weight × Expected return of
each asset category
Taxable Equivalent Yield - CORRECT ANSWER Tax-exempt yield / (1 - Marginal tax
bracket)
Zero Growth Dividend Valuation Model - CORRECT ANSWER D/r
Constant Growth Dividend Discount Model - CORRECT ANSWER D0 / (r - g)
P/E Ratio Estimated Value - CORRECT ANSWER Estimated Value = current P/E ratio ×
Earnings