scholarly journals Medial Meniscus Repair in Major League Soccer Players Results in Decreased Performance Metrics for One Year and Shortened Career Longevity

2021 ◽  
Vol Volume 12 ◽  
pp. 147-157
Author(s):  
David Heath ◽  
David Momtaz ◽  
Abdullah Ghali ◽  
Luis Salazar ◽  
Jonathan Bethiel ◽  
...  
2007 ◽  
Vol 39 (Supplement) ◽  
pp. 212
Author(s):  
Michelle Walters-Edwards ◽  
Michael Nordvall ◽  
Brian Goodstein

Author(s):  
Ignacio Palacios-Huerta

Chapter 2 showed that when the exact question being asked is mirrored in a laboratory experiment and the population being studied is the same as in the field, the outcomes from the experiment can be just as clear and informative. This result suggests that when either the exact question being asked is not mirrored or the population being studied differs, the outcomes from the experiment probably do not parallel those observed in the field. This chapter uses this insight to draw four lessons for experimental design using the games, methods, and results from the previous chapters. Among these lessons are that Major League Soccer players would not be an appropriate pool of subjects to conduct the type of study implemented in Chapter 2, and that a zero-sum situation played among friends does not represent the way subjects interact in the field.


Author(s):  
Zbigniew Jastrzębski ◽  
Wojciech Barnat ◽  
Anna Konieczna ◽  
Paweł Rompa ◽  
Łukasz Radzimiński

2021 ◽  
pp. 152700252110227
Author(s):  
John Charles Bradbury

Major League Soccer (MLS) is the top-tier professional soccer league serving the United States and Canada. This study examines factors hypothesized to impact consumer demand for professional sports on team revenue in this nascent league. The estimates are consistent with positive returns to performance, novelty effects from newer teams, and varying impacts from roster quality and composition. Other factors hypothesized to be important for MLS teams (e.g., stadium quality and market demographics) are not associated with team revenue. The estimates are similar to findings in other major North American sports leagues, even though MLS operates with a unique single-entity ownership structure that has the potential to disincentivize individual team investments by league owners.


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