What is the means to beat the market and stocks , Marketing Management

1. You are provided with a file labeled "MULTIBETA11DAT," with monthly data running from January of 2006 through June of 2011. Use the data to estimate a four-variable model (by using regression analysis) to address the issue of whether more than one factor might help to improve the CAPM. Does more than one factor appear to matter? As always, you will need to test for the significance of the R-squared and the individual coefficients. Note that "Rp- RISKFR" is a portfolio's excess returns over the Treasury bill returns and represents the dependent variable on an index of equity returns in the consumer and manufacturing sectors; "MARKET" is the market's excess return over the Treasury bill rate of return (i.e., a market effect); "SIZE" measures the difference in performance between small stocks and large stocks (i.e., a size effect); and "VALUE" stands for the difference between high "book-to-market" stocks and low "book to market" stocks (i.e., a value effect). Each of these three independent variables should be positively related to Rp, the portfolio excess return. What do you conclude? Why?

2. Explain what it means to "beat the market." Why do many individuals - both academic and nonacademic -- believe that such is not systematically possible? Please be thorough. What may move you to temper this view? As part of your response, please provide a brief summary of several articles discussed in class that are concerned with market efficiency.

3. Answer the following problems either separately or as an integrated essay, whichever you prefer.

a. In a file labeled (will be provided) on Blackboard, you will find monthly rates of return on 374 securities, the rates of return on the S&P 500, and the returns on the three-month U.S. Treasury bill. An accompanying lists the securities. The rates of return run from January of 2006 through July of 2011. Please do the following: (1) for each of 75 securities that you choose, estimate the single-index model in excess form using the returns from January of 2006 through December of 2010; and (2) build a mean-variance efficient portfolio (using the arithmetic mean excess return of each security as the measure of the expected excess return).

b. Following the instructions below, please test the monthly performance of your portfolio against that of the S&P 500 from January of 2011 through July of 2011. In your testing, remember to use the geometric mean and to show your work. Did your portfolio outperform the market? Why or why not? As part of your discussion, does your portfolio contain any uncomfortably high correlation coefficients? Overall, what do you conclude?

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