School system evaluation by value-added analysis under endogeneity
(2010)
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- Authors
- Abstract
- Value-added analysis is a common tool in analysing school performances. In this paper, we analyse the SIMCE panel data which provides individual scores of about 200,000 students in Chile, and whose aim is to rank schools according to their educational achievement. Based on the data collection procedure and on empirical evidences, we argue that the exogeneity of some covariates is questionable. This means that a nonvanishing correlation appears between the school-specific effect and some covariates. We show the impact of this phenomenon on the calculation of the value-added and on the ranking, and provide an estimation method that is based on instrumental variables in order to correct the bias of endogeneity. Revisiting the definition of the value-added, we propose a new calculation robust to endogeneity that we illustrate on the SIMCE data.
- Affiliations
Pontificia Universidad Catolica de Chile Measurement Center MIDE UC Pontificia Universidad Catolica de Chile Measurement Center MIDE UC & Dep. of Statistics
Citations
Manzi, J., San Martin, E., & Van Bellegem, S. (2010). School system evaluation by value-added analysis under endogeneity (CORE Discussion Paper 2010/46). https://hdl.handle.net/2078.5/130979