A portfolio analyst is looking to make alphas benchmark - neutral within his portfolio . Assume Stock A has an alpha of 50 basis points an information coefficient of 0.15 , and a beta coefficient of 1.24 . If the benchmark has an alpha of 10 basis points , what is the new modified alpha that would essentially reduce this security ’ s beta to 1? 请问，这道题应该怎么思考，怎么解答？
