problem set 7 econ 231w due friday december 3 at 10:25. type it nicely (latex or word with equation editor). upload the word or pdf file in blackboard. scanned handwritten problem sets are not allowed and will not be graded. 1. you have data on the performance of n mutual fund managers. their performance is measured by a variable y , whose mean, in the sample, is equal to 10. you also have data on whether the manager reads a certain financial newsletter. you estimate the following regression using ols (robust standard errors in parentheses). ybi