School quality, educational attainment and aggregation bias

M. Fertig, R.E. Wright

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)


Data from 31 countries participating in the Programme for International Student Assessment (PISA) is used to estimate education production functions for reading literacy. The analysis suggests that the probability of finding statistically significant and correctly signed class size effects increases the higher the level of aggregation used to measure class size.
Original languageEnglish
Pages (from-to)109-114
Number of pages5
JournalEconomic Letters
Issue number1
Publication statusPublished - 2005


  • schools
  • PISA data
  • education
  • assessment
  • class size
  • economics


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