Arbeitspapier

Class size and class heterogeneity

We study how class size and composition affect the academic and labor market performances of college students, two crucial policy questions given the secular increase in college enrollment. We rely on the random assignment of students to teaching classes. Our results suggest that a one standard deviation increase in the class-size would result in a 0.1 standard deviation deterioration of the average grade. Further, the effect is heterogenous as female and higher income students seem almost immune to the size of the class. Also, the effects on performance of class composition in terms of gender and ability appears to be inverse U-shaped. Finally, a reduction of 20 students (one standard deviation) in one's class size has a positive effect on monthly wages of about 80 Euros (115 USD) or 6% over the average.

Language
Englisch

Bibliographic citation
Series: IZA Discussion Papers ; No. 4443

Classification
Wirtschaft
Economic Education and Teaching of Economics: Undergraduate
Higher Education; Research Institutions
Wages, Compensation, and Labor Costs: General
Subject
Class size
heterogeneity
experimental evidence
academic performance
wages
Bildungsniveau
Studierende
Bildungsertrag
Akademische Berufe
Studium
Klassengröße
Test
Italien

Event
Geistige Schöpfung
(who)
De Giorgi, Giacomo
Pellizzari, Michele
Woolston, William Gui
Event
Veröffentlichung
(who)
Institute for the Study of Labor (IZA)
(where)
Bonn
(when)
2009

Handle
Last update
10.03.2025, 11:42 AM CET

Data provider

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Object type

  • Arbeitspapier

Associated

  • De Giorgi, Giacomo
  • Pellizzari, Michele
  • Woolston, William Gui
  • Institute for the Study of Labor (IZA)

Time of origin

  • 2009

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