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The Lengthening of Childhood

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Author Info
David Deming
Susan Dynarski

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Abstract

Over the past 40 years, the age at which children enter first grade has slowly drifted upward. In the fall of 1968, 96 percent of six-year-old children were enrolled in first grade or above. By 2005, the proportion had dropped to 84 percent, mainly because a substantial share of six-year-olds were still in kindergarten. About a third of the increase in age at school entry can be explained by legal changes. Almost every state has increased the age at which children are allowed to start primary school. The other two-thirds of the increase in the age at school entry reflects the individual decisions of parents and teachers who choose to keep children out of kindergarten or first grade even when they are legally eligible to attend. This practice is sometimes called "red-shirting," a phrase originally used to describe the practice of holding college athletes out of play until they have grown larger and stronger. Red-shirting is referred to as "the gift of time" in education circles, reflecting a perception that children who have been allowed to mature for another year will benefit more from their schooling. As we will discuss, little evidence supports this perception. It is indeed true that in any grade, older children tend to perform better academically than the younger children. In the early grades there is a strong, positive relationship between a child’s age in months and his performance relative to his peers. But there is little evidence that being older than your classmates has any long-term, positive effect on adult outcomes such as IQ, earnings, or educational attainment. By contrast, there is substantial evidence that entering school later reduces educational attainment (by increasing high school dropout rates) and depresses lifetime earnings (by delaying entry into the labor market).

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Publisher Info
Article provided by American Economic Association in its journal Journal of Economic Perspectives.

Volume (Year): 22 (2008)
Issue (Month): 3 (Summer)
Pages: 71-92
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Handle: RePEc:aea:jecper:v:22:y:2008:i:3:p:71-92

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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.:
  1. James J. Heckman & Paul A. LaFontaine, 2007. "The American High School Graduation Rate: Trends and Levels," IZA Discussion Papers 3216, Institute for the Study of Labor (IZA). [Downloadable!]
    Other versions:
  2. Betsey Stevenson & Justin Wolfers, 2007. "Marriage and Divorce: Changes and their Driving Forces," Journal of Economic Perspectives, American Economic Association, vol. 21(2), pages 27-52, Spring.
    Other versions:
  3. Dee, Thomas S., 2004. "Are there civic returns to education?," Journal of Public Economics, Elsevier, vol. 88(9-10), pages 1697-1720, August. [Downloadable!] (restricted)
  4. Angrist, Joshua D & Krueger, Alan B, 1991. "Does Compulsory School Attendance Affect Schooling and Earnings?," The Quarterly Journal of Economics, MIT Press, vol. 106(4), pages 979-1014, November. [Downloadable!] (restricted)
    Other versions:
  5. Kelly Bedard & Elizabeth Dhuey, 2006. "The Persistence of Early Childhood Maturity: International Evidence of Long-Run Age Effects," The Quarterly Journal of Economics, MIT Press, vol. 121(4), pages 1437-1472, November. [Downloadable!] (restricted)
  6. Peter Fredriksson & Björn Öckert, 2005. "Is Early Learning Really More Productive? The Effect of School Starting Age on School and Labor Market Performance," IZA Discussion Papers 1659, Institute for the Study of Labor (IZA). [Downloadable!]
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  7. James J. Heckman & Dimitriy V. Masterov, 2007. "The Productivity Argument for Investing in Young Children," Review of Agricultural Economics, American Agricultural Economics Association, vol. 29(3), pages 446-493, 09. [Downloadable!] (restricted)
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  8. Elizabeth Cascio & Diane Whitmore Schanzenbach, 2007. "First in the Class? Age and the Education Production Function," NBER Working Papers 13663, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  9. Datar, Ashlesha, 2006. "Does delaying kindergarten entrance give children a head start?," Economics of Education Review, Elsevier, vol. 25(1), pages 43-62, February. [Downloadable!] (restricted)
  10. Carlos Dobkin & Fernando Ferreira, 2009. "Do School Entry Laws Affect Educational Attainment and Labor Market Outcomes?," NBER Working Papers 14945, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  11. Lance Lochner & Enrico Moretti, 2004. "The Effect of Education on Crime: Evidence from Prison Inmates, Arrests, and Self-Reports," American Economic Review, American Economic Association, vol. 94(1), pages 155-189, March. [Downloadable!]
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  12. Patrick Puhani & Andrea Weber, 2007. "Does the early bird catch the worm?," Empirical Economics, Springer, vol. 32(2), pages 359-386, May. [Downloadable!] (restricted)
  13. Sandra E. Black & Paul J. Devereux & Kjell G. Salvanes, 2008. "Too Young to Leave the Nest: The Effects of School Starting Age," NBER Working Papers 13969, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  14. Cascio, Elizabeth, 2005. "School Progression and the Grade Distribution of Students: Evidence from the Current Population Survey," Working Papers 05-6, University of California at Davis, Department of Economics.
  15. Elizabeth U. Cascio, 2005. "School Progression and the Grade Distribution of Students: Evidence from the Current Population Survey," IZA Discussion Papers 1747, Institute for the Study of Labor (IZA). [Downloadable!]
  16. Oreopoulos, Philip, 2007. "Do dropouts drop out too soon? Wealth, health and happiness from compulsory schooling," Journal of Public Economics, Elsevier, vol. 91(11-12), pages 2213-2229, December. [Downloadable!] (restricted)
  17. David Card & Thomas Lemieux, 2001. "Dropout and Enrollment Trends in the Postwar Period: What Went Wrong in the 1970s?," NBER Chapters, in: Risky Behavior among Youths: An Economic Analysis, pages 439-482 National Bureau of Economic Research, Inc. [Downloadable!]
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  18. Adriana Lleras-Muney, 2005. "The Relationship Between Education and Adult Mortality in the United States," Review of Economic Studies, Blackwell Publishing, vol. 72(1), pages 189-221, 01. [Downloadable!] (restricted)
  19. Kevin Milligan & Enrico Moretti & Philip Oreopoulos, 2003. "Does Education Improve Citizenship? Evidence from the U.S. and the U.K," NBER Working Papers 9584, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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Cited by:
(explanations, 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.)

  1. Elizabeth Cascio, 2008. "How and why does age at kindergarten entry matter?," FRBSF Economic Letter, Federal Reserve Bank of San Francisco, issue Aug 8. [Downloadable!]
  2. Rashmi Barua & Kevin Lang, 2009. "School Entry, Educational Attainment and Quarter of Birth: A Cautionary Tale of LATE," NBER Working Papers 15236, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  3. Victor Lavy & M. Daniele Paserman & Analia Schlosser, 2008. "Inside the Black of Box of Ability Peer Effects: Evidence from Variation in the Proportion of Low Achievers in the Classroom," NBER Working Papers 14415, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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This page was last updated on 2009-11-16.


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