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  1. Last 7 days
    1. Does the effect on test scores of decreasing the student-teacher ratio depend on the fraction of English learners when we control for economic idiosyncrasies of the different districts?

      Hard to understand sentence

    1. see page of the book.

      This doesn't make sense. What page?

      When the dependent variable in logarithm, one cannot simply use elog(⋅) to transform predictions back to the original scale, see page of the book.

  2. Jun 2026
    1. See section 5.6 in the book for a more detailed discussion of the small sample distribution of ttt-statistics in regression methods.

      Seems reduntant to refer to section 5.6 while reading in section 5.6.