Selection Bias and Peer Effects in Team Sports

@article{Ashworth2007SelectionBA,
  title={Selection Bias and Peer Effects in Team Sports},
  author={John Ashworth and Bruno Heyndels},
  journal={Journal of Sports Economics},
  year={2007},
  volume={8},
  pages={355 - 377}
}
This article analyzes how age grouping in youth competitions and soccer education programs affects wage formation at the professional level. A simple theoretical model shows that professional players born late after the cutoff date are expected to earn systematically higher wages than their early-born peers. Two discriminating factors are responsible for this: a systematic bias in the talent detection system and peer effects in the production process of human (sports) capital. The authors… 

Figures and Tables from this paper

Three Essays on the Labour Market Implications of Youth Training Programs and Institutional Changes in Professional Sports

The first chapter of the thesis examines the impact of youth training programs on career and spell duration of professional athletes. A unique data set of post-war English trained soccer players is

Relative Age Effect on Labor Market Outcomes for High Skilled Workers – Evidence from Soccer

In sport and education contexts, children are divided into age-groups which are arbitrary constructions based on the admission dates. This age-group system is thought to determine differences in

A game for the ages: Understanding and overcoming the relative age effect in Australian football

The Relative Age Effect (RAE) in sport refers to the over-representation of those born earlier in a defined age group. This discriminatory effect leads to market inefficiencies and can have profound

No Relative Age Effect in the Birth Dates of Award-Winning Athletes in Male Professional Team Sports

Whether the birth dates of male athletes who had been awarded the most valuable player within their professional team sports demonstrated the relative age effect (RAE) was examined.

Youth Training Programs and Their Impact on Career and Spell Duration of Professional Soccer Players

A unique data set of post-war English trained soccer players that signed professionally with their parent club when they turned 18 is used to study the impact of their stay with the home team and

CEP 1301 Youth Training Programs and their Impact on Career and Spell Duration of Professional Soccer Players

A unique data set of post-war English trained soccer players that signed professionally with their parent club when they turned 18 is used to study the impact of their stay with the home team and

Are European Soccer Players Worth More If They Are Born Early in the Year? Relative Age Effect on Player Market Value

Observations indicate that, while the identification and promotion of talent at young ages are often biased by RAE, once players have reached the professional stage, the market value assigned to them is based more on factors other than their date of birth.

Age-ordered shirt numbering reduces the selection bias associated with the relative age effect

The selection bias associated with the RAE can be reduced if information about age is presented appropriately, and that bias remained when scouts knew the players’ dates-of-birth.

The relative age effect in a professional football club setting

Between-group comparison revealed that the relative age effect incidence progressively increased with a higher level of involvement in youth football, representing a significant loss of potential youth football talent.

Presence of the relative age effect and its effect on playing time among under-20 players in the Norwegian premier league Tippeligaen - a four-year follow up

European top-level soccer clubs are continually looking for talented players. Few clubs, however, are willing to let youth players play at the highest senior level. Perhaps as a consequence, the
...

References

SHOWING 1-10 OF 21 REFERENCES

Superstar Effects in Sport

This article investigates wage determination among professional soccer players appearing in the Italian league. Given the popularity of “top” soccer players, the relationship between individual

The Relative Age Effect in Soccer: Cross-Cultural Evidence for a Systematic Discrimination against Children Born Late in the Competition Year

Previous findings of skewed birth date distributions among sports professionals have been interpreted as evidence for a systematic discrimination against children born shortly before the cut-off date

The influence of relative age on success and dropout in male soccer players

Results indicated that youth players born from August to October (the early part of the selection year), beginning in the 6–8 year age group, are more likely to be identified as talented and to be exposed to higher levels of coaching, and to become involved professionally.

Team Effects on Compensation: An Application to Salary Determination in the National Hockey League

Studies of salary determination largely model pay as a function of the attributes of the individual and the workplace (i.e., employer size, job characteristics, and so forth). This article

Effect of a change in selection year on success in male soccer players

Investigation of changes in birth‐date distributions throughout youth categories for 1996–1997 compared to the 1997–1998 competitive years indicated that from 1996 to 1997, youth players born from January to March were more likely to be identified as “talented” and to be exposed to higher levels of coaching.

The Sports Business as a Labor Market Laboratory

With superior data on compensation and productivity, as well as the occurrence of abrupt, dramatic market structure and player allocation rules changes, sports labor markets offer an excellent

Unequal Competition as an Impediment to Personal Development: A Review of the Relative Age Effect in Sport☆

Abstract Children born shortly before the cutoff date for age grouping in youth sport programs suffer from being promoted to higher age groups earlier than their later-born peers. Skewed birthdate

Season of birth, schooling and earnings

Does Compulsory School Attendance Affect Schooling and Earnings?

We establish that season of birth is related to educational attainment because of school start age policy and compulsory school attendance laws. Individuals born in the beginning of the year start