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Recent
Portfolio Theory - Advice in a Multifactor World
Page
2
John H. Cochrane, Federal Reserve Bank of Chicago
Click
here to link to a pdf file of the research paper
Apply multifactor
efficient-frontier theory to your portfolio
The market has a balancing
point between different rates of return and risk or volatility.
The efficient frontier refers to portfolio asset allocation which
outperforms this mean. The goal is to find the optimal balance between
returns and risk, seeking less risk and higher returns. For a graphic
explanation of this point, see Figure 1. The straight line indicates
the mean-variance frontier, the market's mean balance between average
returns and volatility. Investors want allocations that place their
portolios to the upper left of the chart, enjoying higher returns
with less volatility. Investors using this traditional two-factor
models can achieve efficient portfolios through a combination of
two asset classes, equity index funds and risk free investments,
including bonds and money market funds.

Federal
Reserve Bank of Chicago
The next step if for
the investor to add additional pertinent factors in determining
the portfolio's efficient frontier. For example, a small businessman
might want equities that are less sensitive to a recession to hedge
against the decline of his own business. This investor would be
willing to sacrifice a certain degree of higher returns and lower
volatility to gain safety in the event of a recession.
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