Composed of portfolios with the highest level of return for every given level of risk Composed of all portfolios with the lowest amount of risk for every given level of return O Composed of portfolios above the GMV Question 17 What would a model investor who was more risk averse, but wanted to maintain the most efficient portfolio da? O Shift to a portfolio along the efficient frontier that met their risk requirements O Borrow capital from investors with higher risk tolerances O Deleverage their portfolio O Incorporate options to leverage their portfolio and reduce actually cash exposure MacBook Pro