Tyler Richardett [aut, cre],
  Akshay Easwaran [aut],
  American Soccer Analysis [cph]

Paul Efren Santos Andrade [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-6635-0375>)

Carlos Cinelli [aut, cre, cph],
  Chad Hazlett [aut, cph]

Mika Sipilä [aut, cre],
  Klaus Nordhausen [aut] (ORCID: <https://orcid.org/0000-0002-3758-8501>),
  Sara Taskinen [aut] (ORCID: <https://orcid.org/0000-0001-9470-7258>)

Wei Xiong [aut],
  Han Pan [aut, cre],
  Hengjian Cui [aut]

Philippe Rast [aut, cre, cph] (ORCID:
    <https://orcid.org/0000-0003-3630-6629>),
  Marwin Carmo [aut]

Apoorva Lal [aut] (ORCID: <https://orcid.org/0000-0002-3697-614X>),
  Yiqing Xu [aut, cre] (ORCID: <https://orcid.org/0000-0003-2041-6671>)

Cyrill Scheidegger [aut, cre, cph] (ORCID:
    <https://orcid.org/0009-0005-2851-1384>)

Frank DiTraglia [aut],
  Mallick Hossain [aut, cre]

Kurle Jonas [aut, cre] (ORCID: <https://orcid.org/0000-0003-2197-2012>)

Dhrubajyoti Ghosh [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-3360-3786>),
  Samhita Pal [aut] (ORCID: <https://orcid.org/0009-0001-4930-916X>)

Hyunseung Kang, Yang Jiang, Qingyuan Zhao, and Dylan Small

Alexander Torgovitsky [aut],
  Joshua Shea [aut, cre]

Måns Thulin [aut, cre],
  Kajsa Grind [aut],
  Stefan Furne [aut]

Xinkai Du [aut, cre, cph] (ORCID:
    <https://orcid.org/0000-0002-4158-7878>)

John Fox [aut] (ORCID: <https://orcid.org/0000-0002-1196-8012>),
  Christian Kleiber [aut] (ORCID:
    <https://orcid.org/0000-0002-6781-4733>),
  Achim Zeileis [aut, cre] (ORCID:
    <https://orcid.org/0000-0003-0918-3766>),
  Nikolas Kuschnig [ctb] (ORCID: <https://orcid.org/0000-0002-6642-2543>),
  R Core Team [ctb]

Francis DiTraglia [aut, cre],
  Christopher F. Baum [ctb, cph] (Author of the Stata ivreg2 program from
    which ivreg2r is adapted),
  Mark E. Schaffer [ctb, cph] (Author of the Stata ivreg2 program from
    which ivreg2r is adapted),
  Steven Stillman [ctb, cph] (Author of the Stata ivreg2 program from
    which ivreg2r is adapted)

Arvid Sjolander, Elisabeth Dahlqwist, Torben Martinussen