Document Type
Article
Publication Date
12-2008
Volume
16
Journal
Education Economics
Issue
4
First Page
371
Last Page
390
URL with Digital Object Identifier
http://dx.doi.org/10.1080/09645290802133065
Abstract
This paper assesses the magnitude of the non-indigenous/indigenous test-score gap for third-year and fourth-year primary school pupils in Peru, in relation to the main family, school and peer inputs contributing to the test-score gap using the estimation method of feasible generalized least squares. The article then decomposes the gap into its constituent components using the traditional Oaxaca–Blinder decomposition method, as well as a modified decomposition method based on the estimation of a cognitive achievement production function. The decomposition results from both decomposition methods suggest that almost all of the test-score gap is explained by various peer, student, family and school characteristics. The peer characteristics used in the regression are the main contributors to the gross test-score gap, comprising between 58% and 71% of the language test gap and 45–62% of the mathematics test-score gap, depending on the decomposition method used.
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