Too Young to Leave the Nest? The Effects of School Starting Age - Black, S. E.; Devereux, P. J.; Salvanes, K. G. (2011)
natural-experiment; evidence grade B

The Persistence of Early Childhood Maturity: International Evidence of Long-Run Age Effects - Bédard, K.; Dhuey, E. (2006)
natural-experiment; evidence grade B

The Gift of Time? School Starting Age and Mental Health - Dee, T. S.; Sievertsen, H. H. (2018)
quasi-experiment; evidence grade B

The Importance of Relative Standards in ADHD Diagnoses: Evidence Based on Exact Birth Dates - Elder, T. E. (2010)
natural-experiment; evidence grade B

Life-Cycle Effects of Age at School Start - Fredriksson, P.; Öckert, B. (2014)
natural-experiment; evidence grade B

School Starting Age and Cognitive Development (with Bassok & Reardon on redshirting prevalence) - Dhuey, E.; Figlio, D.; Karbownik, K.; Roth; J. (2019); Bassok, D.; Reardon; S. F. (2013) (2019)
natural-experiment; evidence grade B