Contract year phenomenon sahifasining manbasini koʻrish

{{Avtomatik taksonquti
| nomi = Contract year phenomenon
| olam = [[Hayvonlar]]
| tip = [[Bo‘g‘imoyoqlilar]]
| sinf = [[Hasharotlar]]
| turkum = [[Lepidoptera]]
| oila = [[Gelechiidae]]
| tasvir = 
}}

'''''Contract year phenomenon''''' — [[Gelechiidae]] oilasiga mansub [[kuya]] turi.<ref name="w" />

The contract year phenomenon is most associated with the [[NBA]] due to the league's high salaries and lengthy guaranteed contracts.  This phenomenon is also associated with  [[MLB]],<ref name="mlb" /> for similar reasons. It is often less associated with the [[NFL]] due to the league's comparatively lower guaranteed salaries.  In general, many NFL players who sign contracts with new teams and then don't perform can simply be released from their team, as the team is then only held responsible for any bonuses already paid in the contract.

Recent MLB studies do find evidence of the contract year boosting a free agent hitter's On-Base-Plus-Slugging Percentage (OPS) by 4-6%. By using fixed effects regression analysis and taking into account the likelihood that a player would not retire at the end of his contract, this statistically significant boost occurs. Players inclined to retire generally show a lower OPS during their contract year since the financial incentive to boost performance is absent, whereas healthy, relatively young players seek a lucrative free agent contract and generally boost their production to garner the contract. Fixed effects regression modeling captures the changes in a player's performance relative to his past performance, thus capturing the changes in his behavior. Ordinary least squares regression focuses on differences across players, fails to look at a player's performance over his contract cycle, and often concludes there is not contract year boost. This happens because high OPS performances associated with better players are mixed with lower OPS performances of lesser quality players, causing the average effect of the contract year to appear to be zero.<ref name="brj" />

== Notes ==
{{Reflist|refs=

<ref name="w">{{cite journal | first1 = Mark H. II | last1 = White | first2 = Kennon M. | last2 = Sheldon | title = The contract year syndrome in the NBA and MLB: A classic undermining pattern | journal = Motivation and Emotion | date = November 22, 2013 | volume = 38 | issue = 2 | pages = 196–205 | doi=10.1007/s11031-013-9389-7 | s2cid = 254837504 }}</ref>

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