ARE PLAYERS WORTH MORE IF THEY ARE BORN EARLY IN THE YEAR? Relative age effect - market value

👨🏻‍🏫 Researchers: Benito Perez-Gonzalez, Alvaro Fernandez-Luna, Daniel Castillo and Pablo Burillo.
🗞Journal: International Journal of Environmental Research and Public Health.
🏛 Universities and faculties involved:Universidad Isabel I, Universidad Europea de Madrid.
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📚Other researches on the topic:
Barnsley, R.H.; Thompson, A.H.; Barnsley, P.E. Hockey success and birthdate: The RAE. Canadian Association for Health. Phys. Educ. Recreat. 1985, 51, 23-80.
Barnsley, R.H.; Thompson, A.H.; Legault, P. Family Planning: Football Style. The Relative Age Effect in Football. Int. Rev. Sociol. Sport 1992, 1, 77-88.
Dudink, A. Birth date and sporting success. Nature 1994, 368, 592.
Musch, J.; Grondin, S. Unequal Competition as an Impediment to Personal Development: A Review of the Relative Age Effect in Sport. Dev. Rev. 2001, 21, 147-167.
Cobley, S.; Baker, J.; Wattie, N.; McKenna, J. Annual age-grouping and athlete development: A meta-analytical review of relative age effects in sport. Sports Med. 2009, 39, 235-256.
Castillo, D.; Pérez-González, B.; Raya-González, J.; Fernández-Luna, A.; Burillo, P.; Lago-Rodríguez, A. Selection and promotion processes are not associated by the relative age effect in an elite Spanish soccer academy. PLoS ONE 2019, 14, e0219945.
Katsumata, Y.; Omuro, K.; Mitsukawa, N.; Nakata, H. Characteristics of Relative Age Effects and Anthropometric Data in Japanese Recreational and Elite Male Junior Baseball Players. Sports Med. Open 2018, 4, 52.
Cumming, S.P.; Brown, D.J.; Mitchell, S.; Bunce, J.; Hunt, D.; Hedges, C.; Crane, G.; Gross, A.; Scott, S.; Franklin, E.; et al. Premier League academy soccer players’ experiences of competing in a tournament bio-banded for biological maturation. J. Sports Sci. 2018, 36, 757-765.
Salinero, J.J.; Pérez-González, B.; Burillo, P.; Lesma, M.L. Relative age effect in European professional football. Analysis by position. J. Hum. Sport Exerc. 2013, 8, 966-973.
Salinero, J.J.; Pérez-González, B.; Burillo, P.; Lesma, M.L.; Herrero, H. El efecto de la edad relativa en el fútbol profesional español/Relative age effect in Spanish professional football. Rev. Int. Med. Cienc. Act. Física Deporte 2014, 14, 591-601.
Rađa, A.; Padulo, J.; Jelaska, I.; Ardigò, L.P.; Fumarco, L. Relative age effect and second-tiers: No second chance for later-born players. PLoS ONE 2018, 13, e0201795.
Hurley, E.; Comstock, B.A.; Haile, L.; Beyer, K.S. Relative age effect in collegiate soccer: Influence of nationality, playing position, and class. J. Strength Cond. Res. 2019, 33, 3295-3301.
Lago-Fuentes, C.; Rey, E.; Padrón-Cabo, A.; Prieto-Troncoso, J.; Garcia-Núñez, J. The Relative Age Effect in Professional Futsal Players. J. Hum. Kinet. 2020, 72, 173-183.
Jones, B.D.; Lawrence, G.P.; Hardy, L. New evidence of relative age effects in “super-elite” sportsmen: A case for the survival and evolution of the fittest. J. Sports Sci. 2018, 36, 697-703.
Lupo, C.; Boccia, G.; Ungureanu, A.N.; Frati, R.; Marocco, R.; Brustio, P.R. The Beginning of Senior Career in Team Sport Is Affected by Relative Age Effect. Front. Physiol. 2019, 10, 1465.
Rubia, A.; Bjørndal, C.; Sánchez-Molina, J.; Yagüe, J.; Calvo, J.; Marto-Izquierdo, S. The relationship between the relative age effect and performance among athletes in World Handball Championships. PLoS ONE 2020, 15, e0230133.
Mon-López, D.; Tejero-González, C.M.; de la Rubia Riaza, A.; Calvo, J.L. Pistol and Rifle Performance: Gender and Relative Age Effect Analysis. Int. J. Environ. Res. Public Health 2020, 17, 1365.
Deaner, R.O.; Lowen, A.; Cobley, S. Born at the wrong time: Selection bias in the NHL Draft. PLoS ONE 2013, 8, 1-7.
Fumarco, L.; Gibbs, B.G.; Jarvis, J.A.; Rossi, G. The relative age effect reversal among the National Hockey League elite. PLoS ONE 2017, 12, e0182827.
Mankiw, N.G. Principles of Economics, 7th ed.; Cengage Learning: Boston, MA, USA, 2014.
Ashworth, J.; Heyndels, B. Selection bias and peer effects in team sports. The effect of age grouping on earnings of German soccer players. J. Sports Econ. 2007, 8, 355-377.
Doyle, J.R.; Bottomley, P.A. Relative age effect in elite soccer: More early-born players, but no better valued, and no paragon clubs or countries. PLoS ONE 2018, 13, e0192209.
Doyle, J.R.; Bottomley, P.A. The relative age effect in European elite soccer: A practical guide to Poisson regression modelling. PLoS ONE 2019, 14, e0213988.

[@SportSciencePapersSummaries.]

The relative age effect in sports refers to the advantage that athletes born earlier in the selection year have over those born later. Due to age cutoffs, older athletes within the same year are often perceived as more skilled and advanced, leading to better opportunities and success. To address this bias, sports organizations are implementing measures to consider long-term potential and promote fairness in talent identification. Write us to know more about it 📧