In: Finance
You are attempting to predict the return on Dog Heavy Equipment. You have gathered the following data on the firm’s returns, relevant Treasury rates (for a risk-free rate), and the S&P 1500 (which you plan to use as a market portfolio):
| Year | Dog | Treasury | S & P 500 | 
| 1 | 12% | 2% | 14% | 
| 2 | 7% | 2% | 8% | 
| 3 | 14% | 1% | 9% | 
| 4 | 8% | 1% | 12% | 
| 5 | 4% | 1% | 7% | 
| 6 | 12% | 0% | 9% | 
| 7 | 9% | 0% | 10% | 
| 8 | 1% | 1% | 12% | 
| 9 | -10% | 1% | 15% | 
| 10 | 25% | 2% | 11% | 
(i) Assume you believe that CAPM is the correct pricing model. Estimate the abnor- mal return on this stock and its beta. Should you invest in this security?
(ii) Do Dog’s returns provide evidence for or against a weak form efficient market?