Modern Portfolio Theory and Investment Analysis ch16. practice problem.
Assume that the following two-index model describes returns: Ri = ai +bi1I1 +bi2I2 + ei
Assume that the following three portfolios are observed
portfolio Expected Return bi1 bi2
A 12 1.0 1
B 13 1.5 2
C 17 0.5 -3
Find the equation of the plane that must describe equilibrium returns.
And Referring to the result of above, illustrate the arbitrage opportunities that would exist if a portfolio called D with the following characteristics were observed:
R(bar)D =15 bD1 =1 bD2 = 0