Competition Among Public Schools: A Reply to Rothstein (2004)
Rothstein has produced two comments, Rothstein (2003) and Rothstein (2004), on Hoxby "Does Competition Among Public Schools Benefit Students and Taxpayers," American Economic Review, 2000. In this paper, I discuss every claim of any importance in the comments. I show that every claim is wrong. I also discuss a number of Rothstein's innuendos--that is, claims that are made by implication rather than with the support of explicit arguments or evidence. I show that, when held up against the evidence, each innuendo proves to be false. One of the major points of Rothstein (2003) is that lagged school districts are a valid instrumental variable for today's school districts. This is not credible. Another major claim of Rothstein (2003) is that it is better to use highly non-representative achievement data based on students' self-selecting into test-taking than to use nationally representative achievement data. This claim is wrong for multiple reasons. The most important claim of Rothstein (2004) is that the results of Hoxby (2000) are not robust to including private school students in the sample. This is incorrect. While Rothstein appears merely to be adding private school students to the data, he actually substitutes error-prone data for error-free data on all students, generating substantial attenuation bias. He attributes the change in estimates to the addition of the private school students, but I show that the change in estimates is actually due to his using erroneous data for public school students. Another important claim in Rothstein (2004) that the results in Hoxby (2000) are not robust to associating streams with the metropolitan areas through which they flow rather than the metropolitan areas where they have their source. This is false: the results are virtually unchanged when the association is shifted from source to flow. Since 93.5 percent of streams flow only in the metropolitan area where they have their source, it would be surprising if the results did change much. The comments Rothstein (2003) and Rothstein (2004) are without merit. All of the data and code used in Hoxby (2000) are available to other researchers. An easy-to-use CD provides not only extracts and estimation code, but all of the raw data and the code for constructing the dataset.
|Date of creation:||Mar 2005|
|Date of revision:|
|Publication status:||published as Caroline M. Hoxby, 2007. "Does Competition Among Public Schools Benefit Students and Taxpayers? Reply," American Economic Review, American Economic Association, vol. 97(5), pages 2038-2055, December.|
|Contact details of provider:|| Postal: National Bureau of Economic Research, 1050 Massachusetts Avenue Cambridge, MA 02138, U.S.A.|
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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
- Caroline M. Hoxby, 2000.
"Does Competition among Public Schools Benefit Students and Taxpayers?,"
American Economic Review,
American Economic Association, vol. 90(5), pages 1209-1238, December.
- Caroline Minter Hoxby, 1994. "Does Competition Among Public Schools Benefit Students and Taxpayers?," NBER Working Papers 4979, National Bureau of Economic Research, Inc.
- repec:hrv:faseco:4553034 is not listed on IDEAS
- Alberto Alesina & Reza Baqir & Caroline Hoxby, 2004.
"Political Jurisdictions in Heterogeneous Communities,"
Journal of Political Economy,
University of Chicago Press, vol. 112(2), pages 348-396, April.
- Alberto Alesina & Reza Baqir & Caroline Hoxby, 2002. "Political Jurisdictions in Heterogeneous Communities," Harvard Institute of Economic Research Working Papers 1949, Harvard - Institute of Economic Research.
- Alberto Alesina & Reza Baqir & Caroline Hoxby, 2000. "Political Jurisdictions in Heterogeneous Communities," NBER Working Papers 7859, National Bureau of Economic Research, Inc.
- Hoxby, Caroline & Baqir, Reza & Alesina, Alberto, 2004. "Political Jurisdictions in Heterogeneous Communities," Scholarly Articles 4552532, Harvard University Department of Economics.
- White, Halbert, 1980. "A Heteroskedasticity-Consistent Covariance Matrix Estimator and a Direct Test for Heteroskedasticity," Econometrica, Econometric Society, vol. 48(4), pages 817-38, May.
- Jesse Rothstein, 2005. "Does Competition Among Public Schools Benefit Students and Taxpayers? A Comment on Hoxby (2000)," NBER Working Papers 11215, National Bureau of Economic Research, Inc.
- Caroline Minter Hoxby, 1994. "Do Private Schools Provide Competition for Public Schools?," NBER Working Papers 4978, National Bureau of Economic Research, Inc.
- J.D. Angrist & Guido W. Imbens & D.B. Rubin, 1993. "Identification of Causal Effects Using Instrumental Variables," NBER Technical Working Papers 0136, National Bureau of Economic Research, Inc.
- Moffitt, Robert A., 1999. "New developments in econometric methods for labor market analysis," Handbook of Labor Economics, in: O. Ashenfelter & D. Card (ed.), Handbook of Labor Economics, edition 1, volume 3, chapter 24, pages 1367-1397 Elsevier.
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