1.Explain why you might expect stocks to have nonzero alphas if the market proxy portfolio is not highly correlated with the true market portfolio, even if the true market portfolio is efficient.
2.Explain why if some investors are subject to systematic behavioral biases, while others pick efficient portfolios, the market portfolio will not be efficient.
3.Explain why an employee who cares only about expected return and volatility will likely underweight the amount of money he invests in his own company’s stock relative to an investor who does not work for his company.