Word: hoxbyã
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...editor Robert A. Moffitt, who declined to comment specifically on the Hoxby-Rothstein debate, said that AER’s policy about data availability had been in effect at the time, although not strictly enforced. In an e-mail, Moffitt wrote that Hoxby??s paper was published “prior to the strengthening of our data availability policy,” which occurred last March...
...Hoxby??who has consistently defended school choice—lent more fuel to supporters of a voucher system with the publication of her 2000 paper. The paper concludes, among other things, that students in areas with many competing school districts perform better on tests than students from areas with fewer school districts...
Employing this particular technique meant that Hoxby??s results depended crucially on her measurement of the streams. It is these measurements, and Rothstein’s own measurements of the streams, that are at the center of the academic dispute between the two economists...
Rothstein has said that his attempts to replicate Hoxby??s results using her streams data has proved unsuccessful, which has led him to argue that Hoxby??s conclusions are overstated...
...working paper, Rothstein argued that Hoxby??s analysis contained a series of errors in data and computer code, casting her results into question. He contended that by using different models, the effect of school choice remained near zero—a discrepancy that would invalidate Hoxby??s conclusion that competition has a positive impact on school quality...