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澳大利亚足球联盟选秀球员合同中的选择性。

Optionality in Australian Football League draftee contracts.

机构信息

Institute for Health and Sport (IHES), Victoria University, Melbourne, Australia.

Maribyrnong Sports Academy, Melbourne, Australia.

出版信息

PLoS One. 2023 Sep 14;18(9):e0291439. doi: 10.1371/journal.pone.0291439. eCollection 2023.

Abstract

Though player drafts have commonly been utilised to equitably disperse amateur talent and avoid bidding wars, often they have also been accused of creating a monopsony labour market which restricts player movement. Within the Australian Football League (AFL) some have called for the increase of the initial draftee contract from two to three seasons, which further pushes the envelope on monopsony power. Instead of increasing the contract length, this paper suggests a call option to be purchased by the teams allowing them to add a further season to the draftee contract at a predetermined compensation package should they choose to do so at the end of the initial contract. The call prices per pick were calculated using the Black-Scholes model and were valued between 1% and 1.5% of the pick value. However, it failed to follow a monotonic function similar to pick value, owing to managerial overconfidence and sunk investment plays. Overall, the findings allow teams to procure the option of increasing initial draftee contracts and not impede further on a player's ability to move.

摘要

尽管选秀大会通常被用来公平地分配业余人才并避免竞价战,但它们也常常被指责造成了垄断性的劳动力市场,限制了球员的流动。在澳大利亚足球联赛 (AFL) 中,有人呼吁将最初的选秀球员合同从两年延长到三年,这进一步加剧了垄断力量。本文建议,与其增加合同期限,不如让球队购买看涨期权,如果他们在初始合同结束时选择这样做,可以按预定的薪酬方案在选秀球员合同上再增加一个赛季。每个选秀顺位的看涨期权价格是使用布莱克-斯科尔斯模型计算的,其价值在选秀顺位价值的 1%到 1.5%之间。然而,由于管理层过度自信和沉没投资行为,它并没有遵循类似于选秀顺位价值的单调函数。总的来说,这些发现允许球队获得增加初始选秀球员合同的选择权,而不会进一步阻碍球员的流动能力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31e4/10501648/e22e738ea3b7/pone.0291439.g001.jpg

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